<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0375-0760</journal-id>
<journal-title><![CDATA[Revista Cubana de Medicina Tropical]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Med Trop]]></abbrev-journal-title>
<issn>0375-0760</issn>
<publisher>
<publisher-name><![CDATA[Centro Nacional de Información de Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0375-07602009000300009</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación de la toxicidad de extractos de plantas cubanas con posible acción antiparasitaria utilizando larvas de Artemia salina L.]]></article-title>
<article-title xml:lang="en"><![CDATA[Evaluation of toxicity of Cuban plant extracts with possible antiparasitic action based on the use of Artemia salina larvae]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Calienes Valdés]]></surname>
<given-names><![CDATA[Aymé]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mendiola Martínez]]></surname>
<given-names><![CDATA[Judith]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Monzote Fidalgo]]></surname>
<given-names><![CDATA[Lianet]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Parra]]></surname>
<given-names><![CDATA[Marley]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sariego Ramos]]></surname>
<given-names><![CDATA[Idalia]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Acuña Rodríguez]]></surname>
<given-names><![CDATA[Deyanira]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Scull Lizama]]></surname>
<given-names><![CDATA[Ramón]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez Gaitén]]></surname>
<given-names><![CDATA[Yamilet]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A02">
<institution><![CDATA[,Instituto de Farmacia y Alimentos Departamento de Farmacia ]]></institution>
<addr-line><![CDATA[Ciudad de La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="A01">
<institution><![CDATA[,Instituto de Medicina Tropical Pedro Kourí. Laboratorio de Malaria Departamento de Parasitología]]></institution>
<addr-line><![CDATA[Ciudad de La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2009</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2009</year>
</pub-date>
<volume>61</volume>
<numero>3</numero>
<fpage>254</fpage>
<lpage>258</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0375-07602009000300009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0375-07602009000300009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0375-07602009000300009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[INTRODUCCIÓN: el ensayo de letalidad de Artemia salina es considerado una herramienta útil para la determinación preliminar de toxicidad de extractos de plantas. En nuestros laboratorios se estudian las potencialidades antiparasitarias de varias especies de plantas. OBJETIVO: evaluar la mortalidad causada por extractos etanólicos de plantas medicinales cubanas sobre larvas de A. salina. MÉTODOS: las larvas de A. salina se expusieron durante 24 h a 4 concentraciones de los 35 extractos etanólicos, pertenecientes a 34 especies de plantas. Se determinó la concentración letal media (CL50), lo cual permitió asignar cada extracto a las categorías de extremadamente tóxico, muy tóxico, moderadamente tóxico y no tóxico. RESULTADOS: del total de extractos evaluados solo 5 (Artemisia absinthium, Luffa cylindrica, Melia azedarach, Melaleuca leucadendron y Simarouba glauca) resultaron extremadamente tóxicos o muy tóxicos, 13 moderadamente tóxicos, mientras que 17 extractos (48,5 %) se clasificaron como no tóxicos al exhibir valores de CL50 superiores a 1 000 µg/mL. CONCLUSIONES: la mayoría de los extractos evaluados mostraron baja toxicidad en este modelo, lo cual resulta favorable. Los 5 extractos de mayor toxicidad no serán incluidos en estudios posteriores.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[INTRODUCTION: Artemia salina lethality assay is considered a useful tool to determine preliminary toxicity of plant extracts. In our labs some plant species are studied because of their antiparasitic potentials. OBJECTIVE: to evaluate A. salina nauplii mortality caused by ethanol extracts of Cuban medicinal plants. METHODS: A. salina larvae were exposed to four concentrations of 35 ethanol extracts from 34 plant species, for 24 hours. Mean Lethal Concentration (LC50) was determined to classify each extract into the categories of extremely toxic, highly toxic, mildly toxic or non toxic. RESULTS: out of the tested extracts, only 5 (Artemisia absinthium, Luffa cylindrica, Melia azedarach, Melaleuca leucadendron and Simarouba glauca) were classified as extremely or highly toxic, 13 as mildly toxic whereas 17 extracts (48,5 %) were non toxic exhibiting LC50 values over 1 000 µg/mL. CONCLUSIONS: most of the evaluated extracts showed low toxicity, which is a positive result. The five extremely toxic extracts will not be included in further studies.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[toxicidad]]></kwd>
<kwd lng="es"><![CDATA[extractos de plantas]]></kwd>
<kwd lng="es"><![CDATA[Artemia salina]]></kwd>
<kwd lng="en"><![CDATA[toxicity]]></kwd>
<kwd lng="en"><![CDATA[plant extracts]]></kwd>
<kwd lng="en"><![CDATA[Artemia salina]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <div align="right">       <p><font face="Verdana" size="2"><B>ART&Iacute;CULO ORIGINAL</B> </font> </p>       <p>&nbsp;</p> </div>     <P>      <P><font face="Verdana" size="4"><b>Evaluaci&oacute;n de la toxicidad de extractos    de plantas cubanas con posible acci&oacute;n antiparasitaria utilizando larvas    de <I>Artemia salina</I> L. </b></font>     <P><font face="Verdana" size="2"><B><font size="3">Evaluation of toxicity of Cuban    plant extracts with possible antiparasitic action based on the use of <I>Artemia    salina larvae</I></font></B> </font>      <P>&nbsp;     <P>&nbsp;      <P>      <P><font face="Verdana" size="2"><b>Aym&eacute; Fern&aacute;ndez-Calienes Vald&eacute;s<SUP>I</SUP>;    Judith Mendiola Mart&iacute;nez<SUP>II</SUP>; Lianet Monzote Fidalgo<SUP>III</SUP>;    Marley Garc&iacute;a Parra<SUP>IV</SUP>; Idalia Sariego Ramos<SUP>V</SUP>; Deyanira    Acu&ntilde;a Rodr&iacute;guez<SUP>VI</SUP>; Ram&oacute;n Scull Lizama<SUP>VII</SUP>;    Yamilet Guti&eacute;rrez Gait&eacute;n</b></font><b><font face="Verdana" size="2"><SUP>VIII</SUP></font>    </b>     ]]></body>
<body><![CDATA[<P><font face="Verdana" size="2"><SUP>I</sup> M&aacute;ster en Bioqu&iacute;mica.    Investigadora Auxiliar. Departamento de Parasitolog&iacute;a, Instituto de Medicina    Tropical &quot;Pedro Kour&iacute;&quot; (IPK). Ciudad de La Habana, Cuba.    <br>   </font><font face="Verdana" size="2"><SUP>II</SUP> M&aacute;ster en Bioqu&iacute;mica.    Investigadora Auxiliar. Instructora. IPK. Ciudad de La Habana, Cuba.    <br>   </font><font face="Verdana" size="2"><SUP>III</SUP> M&aacute;ster en Farmacia.    Investigadora Agregada. IPK. Ciudad de La Habana, Cuba.    <br>   </font><font face="Verdana" size="2"><SUP>IV</SUP> M&aacute;ster en Parasitolog&iacute;a.    Aspirante a Investigador. IPK. Ciudad de La Habana, Cuba.    <br>   </font><font face="Verdana" size="2"><SUP>V</SUP> M&aacute;ster en Parasitolog&iacute;a.    Investigadora Auxiliar. IPK. Ciudad de La Habana, Cuba.    <br>   </font><font face="Verdana" size="2"><SUP>VI</SUP> T&eacute;cnica. IPK. Ciudad    de La Habana, Cuba.    <br>   </font><font face="Verdana" size="2"><SUP>VII</SUP> M&aacute;ster en Farmacia.<SUP>    </SUP>Departamento de Farmacia, Instituto de Farmacia y Alimentos (IFAL). Ciudad    de La Habana, Cuba.    <br>   </font><font face="Verdana" size="2"><SUP>VIII</SUP> M&aacute;ster en Farmacia.    IFAL. Ciudad de La Habana, Cuba.</font>     <P>&nbsp;     <P>&nbsp;  <hr size="1" noshade> <font face="Verdana" size="2"><B>RESUMEN </B></font>      ]]></body>
<body><![CDATA[<p><B> </B><font face="Verdana" size="2"><B>INTRODUCCI&Oacute;N</b>: el ensayo    de letalidad de <I>Artemia salina</I> es considerado una herramienta &uacute;til    para la determinaci&oacute;n preliminar de toxicidad de extractos de plantas.    En nuestros laboratorios se estudian las potencialidades antiparasitarias de    varias especies de plantas. </font>     <br>   <font face="Verdana" size="2"><B>OBJETIVO</B>: evaluar la mortalidad causada    por extractos etan&oacute;licos de plantas medicinales cubanas sobre larvas    de <I>A. salina</I>.    <br>   </font><font face="Verdana" size="2"><B>M&Eacute;TODOS:</B> las larvas de <I>A.    salina</I> se expusieron durante 24 h a 4 concentraciones de los 35 extractos    etan&oacute;licos, pertenecientes a 34 especies de plantas. Se determin&oacute;    la concentraci&oacute;n letal media (CL<SUB>50</SUB>), lo cual permiti&oacute;    asignar cada extracto a las categor&iacute;as de extremadamente t&oacute;xico,    muy t&oacute;xico, moderadamente t&oacute;xico y no t&oacute;xico.     <br>   <b>RESULTADOS</b>: del total de extractos evaluados solo 5 (<I>Artemisia absinthium,    Luffa cylindrica, Melia azedarach, Melaleuca leucadendron </I>y <I>Simarouba    glauca</I>) resultaron extremadamente t&oacute;xicos o muy t&oacute;xicos, 13    moderadamente t&oacute;xicos, mientras que 17 extractos (48,5 %) se clasificaron    como no t&oacute;xicos al exhibir valores de CL<SUB>50</SUB> superiores a 1    000 &#181;g/mL.    <br>   </font><font face="Verdana" size="2"><B>CONCLUSIONES</B>: la mayor&iacute;a    de los extractos evaluados mostraron baja toxicidad en este modelo, lo cual    resulta favorable. Los 5 extractos de mayor toxicidad no ser&aacute;n incluidos    en estudios posteriores. </font> </p>     <P>      <P><font face="Verdana" size="2"><B>Palabras clave: </B>toxicidad,<B> </B>extractos    de plantas, <I>Artemia salina</I>. </font> <hr size="1" noshade> <font face="Verdana" size="2"><B>ABSTRACT </B></font>     <P> <B> </b> <font face="Verdana" size="2"><B>INTRODUCTION</b>: <I>Artemia salina</I>    lethality assay is considered a useful tool to determine preliminary toxicity    of plant extracts. In our labs some plant species are studied because of their    antiparasitic potentials.    <br> <B>OBJECTIVE</B>: to evaluate <I>A. salina</I>  <I>nauplii</I> mortality caused by ethanol extracts of Cuban medicinal plants.    <br> <B>METHODS</B>: <I>A. salina</I> larvae were  exposed to four concentrations of 35 ethanol extracts from 34 plant species, for  24 hours. Mean Lethal Concentration (LC<SUB>50</SUB>) was determined to classify  each extract into the categories of extremely toxic, highly toxic, mildly toxic  or non toxic.    ]]></body>
<body><![CDATA[<br>   <B>RESULTS</B>: out of the tested extracts, only 5 (<I>Artemisia absinthium,    Luffa cylindrica, Melia azedarach, Melaleuca leucadendron </I>and <I>Simarouba    glauca</I>) were classified as extremely or highly toxic, 13 as mildly toxic    whereas 17 extracts (48,5 %) were non toxic exhibiting LC<SUB>50</SUB> values    over 1 000 &#181;g/mL.    <br>   <B>CONCLUSIONS</B>: most of the evaluated extracts showed low toxicity, which    is a positive result. The five extremely toxic extracts will not be included    in further studies. </font>      <P>      <P><font face="Verdana" size="2"><B>Key words</B>: toxicity, plant extracts, <I>Artemia    salina.</I> </font> <hr size="1" noshade>     <P>&nbsp;     <P>&nbsp;      <P>      <P>      <P>      <P>      ]]></body>
<body><![CDATA[<P>      <P>      <P>      <P>      <P><font face="Verdana" size="3"><B>INTRODUCCI&Oacute;N</B> </font>      <P>      <P><font face="Verdana" size="2">Desde tiempos muy antiguos las plantas han sido    utilizadas como medicinas. Varias especies de plantas han demostrado su potencial    para proveer drogas efectivas contra enfermedades parasitarias, por lo que,    muchos grupos de investigaci&oacute;n se dedican a evaluar extractos vegetales    como estrategia para hallar nuevas alternativas terap&eacute;uticas frente a    estas afecciones. </font>     <P><font face="Verdana" size="2">Sin embargo, es bien conocido que muchas plantas    pueden ocasionar reacciones t&oacute;xicas a quienes las utilizan.<SUP>1</SUP>    Por esta raz&oacute;n, se llevan a cabo investigaciones con el prop&oacute;sito    de determinar, adem&aacute;s de la acci&oacute;n farmacol&oacute;gica, la toxicidad    de las plantas medicinales. </font>     <P><font face="Verdana" size="2">La evaluaci&oacute;n toxicol&oacute;gica precl&iacute;nica    se realiza rutinariamente en ratones. El elevado costo de estas pruebas as&iacute;    como el sufrimiento causado a los animales ha motivado el reemplazo de experimentos    que utilicen animales de laboratorio, la reducci&oacute;n del n&uacute;mero    de animales usados en cada prueba o el perfeccionamiento de las metodolog&iacute;as    existentes con el prop&oacute;sito de reducir el dolor y el estr&eacute;s a    los animales.<SUP>2</SUP> </font>     <P><font face="Verdana" size="2">El ensayo de letalidad de <I>Artemia salina</I>    se basa en la posibilidad de causar la muerte de larvas de este crust&aacute;ceo    cultivadas en el laboratorio. Este m&eacute;todo fue propuesto por <I>Michael</I>    y otros,<sup>3</sup> y posteriormente desarrollado por <I>Vanhaecke</I> y otros,<SUP>4</SUP>    as&iacute; como <I>Sleet</I> y <I>Brendel</I>,<SUP>5</SUP> con el prop&oacute;sito    de contar con una herramienta &uacute;til y sencilla para la determinaci&oacute;n    de toxicidad. Este m&eacute;todo, en el cual se determina el valor de la concentraci&oacute;n    letal media (CL<SUB>50</SUB>) de compuestos y extractos en medio salino, ha    sido utilizado para la detecci&oacute;n de toxinas de hongos<SUP>6</SUP> y cianobacterias,<SUP>7</SUP>    toxicidad de extractos de plantas,<SUP>8,9</SUP> metales pesados<SUP>10</SUP>    y para predecir citoxicidad de compuestos puros.<SUP>11</SUP> </font>      ]]></body>
<body><![CDATA[<P><font face="Verdana" size="2">El presente estudio tuvo el prop&oacute;sito    de realizar un primer tamizaje de la toxicidad mostrada por extractos de especies    de plantas cubanas de inter&eacute;s medicinal, para valorar su inclusi&oacute;n    en la evaluaci&oacute;n posterior de la actividad antiparasitaria. </font>      <P>&nbsp;      <P>      <P><font face="Verdana" size="2"><B><font size="3">M&Eacute;TODOS</font></B> </font>     <P>&nbsp;      <P>      <P><font face="Verdana" size="2"><I>Colecta de las plantas y preparaci&oacute;n    de los extractos</I> </font>     <P>      <P><font face="Verdana" size="2">Se colectaron partes de 34 especies de plantas,    seleccionadas por su utilizaci&oacute;n como antiparasitarias despu&eacute;s    de la revisi&oacute;n de literatura etnobot&aacute;nica. La colecta e identificaci&oacute;n    de las especies se realiz&oacute; en el Jard&iacute;n Bot&aacute;nico Nacional    (JBN) por un especialista, en agosto de 2006. El c&oacute;digo de entrada al    jard&iacute;n (numeraci&oacute;n hecha por los especialistas del JBN) de los    espec&iacute;menes utilizados en el estudio fue registrado como referencia para    colectas posteriores. La parte de la planta a evaluar se seleccion&oacute; de    la informaci&oacute;n encontrada en la literatura respecto a la forma de utilizaci&oacute;n    de la especie por la poblaci&oacute;n. Cada &oacute;rgano de la planta se colect&oacute;    con cuidado para evitar la contaminaci&oacute;n con otras partes o con materiales    extra&ntilde;os. El material vegetal se sec&oacute; en una incubadora con ventilaci&oacute;n    a 30 &#176;C y despu&eacute;s se pulveriz&oacute; en part&iacute;culas de aproximadamente    5 mm. </font>     <P><font face="Verdana" size="2">Se prepararon 35 extractos etan&oacute;licos.    La extracci&oacute;n l&iacute;quida del material seco procesado se realiz&oacute;    mediante la maceraci&oacute;n durante 7 d en etanol 80 %. El solvente se elimin&oacute;    por evaporaci&oacute;n a presi&oacute;n reducida por 24 h y el residuo se mantuvo    en congelaci&oacute;n a - 70 &#176;C al menos 48 h antes de su liofilizaci&oacute;n.    </font>      ]]></body>
<body><![CDATA[<P><font face="Verdana" size="2">De cada muestra liofilizada se prepararon soluciones    concentradas de 50 mg/mL en dimetilsulf&oacute;xido (DMSO) 100 %. Estas soluciones    se conservaron a 4 &#176;C hasta su utilizaci&oacute;n. </font>     <P>&nbsp;      <P>      <P><font face="Verdana" size="2"><I>Obtenci&oacute;n de las larvas</I> </font>     <P>      <P><font face="Verdana" size="2">Quistes de <I>A. salina</I>, donados gentilmente    por especialistas del Centro de Investigaciones Pesqueras de Cuba, fueron puestos    a eclosionar en un recipiente con agua de mar esterilizada, a temperatura ambiente    durante 48 h bajo r&eacute;gimen continuo de luz. Despu&eacute;s de la incubaci&oacute;n,    se coloc&oacute; una fuente de luz a un lado del recipiente para atraer a las    larvas y separarlas de los huevos a&uacute;n sin eclosionar. Los crust&aacute;ceos    se colectaron y trasladaron a los pozos de la placa de ensayo utilizando una    pipeta Pasteur. El n&uacute;mero de larvas colectadas y a&ntilde;adidas a la    placa se determin&oacute; utilizando un microscopio estereosc&oacute;pico. </font>     <P>&nbsp;      <P>      <P><font face="Verdana" size="2"><I>Ensayo de letalidad</I> </font>     <P>      ]]></body>
<body><![CDATA[<P><font face="Verdana" size="2">El ensayo consisti&oacute; en exponer grupos    de larvas a 4 concentraciones de extracto (1 000, 100, 10 y 1 &#181;g/mL) durante    24 h a temperatura ambiente y bajo r&eacute;gimen continuo de luz. Primero,    se prepararon placas de 24 pozos, se a&ntilde;adi&oacute; a cada uno 1,5 mL    de agua de mar suplementada con extracto de levadura (6 mg/mL) y con diluciones    del extracto correspondiente. Seguidamente, se transfirieron entre 10 y 15 larvas    a cada pozo. </font>     <P><font face="Verdana" size="2">Al finalizar las 24 h de exposici&oacute;n, se    cont&oacute; el n&uacute;mero de organismos muertos y se calcul&oacute; el porcentaje    de mortalidad. Las larvas se consideraron muertas si no exhib&iacute;an movimiento    durante varios segundos de observaci&oacute;n al microscopio estereosc&oacute;pico.    El experimento se consider&oacute; v&aacute;lido si el porcentaje de mortalidad    en los controles (pozos preparados e incubados en las mismas condiciones pero    en ausencia de extracto) no excedi&oacute; de 10 %. </font>     <P><font face="Verdana" size="2">Cada concentraci&oacute;n se evalu&oacute; por    triplicado y cada extracto se ensay&oacute; 2 veces. La concentraci&oacute;n    letal media (CL<SUB>50</SUB>) se calcul&oacute; mediante interpolaci&oacute;n    lineal de los valores del porcentaje de mortalidad, para cada concentraci&oacute;n,    en cada experimento. </font>     <P><font face="Verdana" size="2">El grado de toxicidad del extracto se defini&oacute;    en funci&oacute;n del rango en que se encontraron los valores de CL<SUB>50</SUB>    de acuerdo con las categor&iacute;as siguientes: extremadamente t&oacute;xico    (CL<SUB>50</SUB>&lt; 10 &#181;g/mL), muy t&oacute;xico (10&lt; CL<SUB>50</SUB>    &lt;100), moderadamente t&oacute;xico (100&lt; CL<SUB>50 </SUB>&lt;1 000) y    no t&oacute;xico (CL<SUB>50</SUB>&gt; 1 000 &#181;g/mL).<SUP>12</SUP> </font>     <P>&nbsp;      <P>      <P><font face="Verdana" size="2"><B><font size="3">RESULTADOS</font></B> </font>      <P>      <P><font face="Verdana" size="2">En la tabla se muestran los valores de CL<SUB>50</SUB>    para los 35 extractos evaluados. Los extractos m&aacute;s letales fueron los    de <I>A. absinthium</I>, <I>M. leucadendron</I>, <I>M. azedarach</I>, <I>S.    glauca</I> y <I>L. cilindrica</I>, que exhibiendo valores menores que 100 &#181;g/mL.    De los 30 extractos restantes, cuyos valores de CL<SUB>50</SUB> fueron mayores    de 100 &#181;g/mL, 17 (48,5 %) mostraron valores de CL<SUB>50</SUB> superiores    a 1 000 &#181;g/mL. </font>     <P>&nbsp;     ]]></body>
<body><![CDATA[<div class=Section1>        <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><b><span lang=ES style='font-size:10.0pt;font-family:Verdana'>Tabla</span></b><span lang=ES style='font-size:10.0pt;font-family:Verdana'>. Especies de plantas medicinales      cubanas incluidas en el estudio. Valores de concentración letal media (CL<sub>50</sub>)      y clasificación según la toxicidad mostrada frente a larvas de <i>A. salina</i>,      de  extractos etanólicos de estas especies</span></font></p>       <div align=center>      <table class=MsoTableWeb1 border=1 cellspacing=3 cellpadding=0>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Especie</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Nombre común</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Código</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Parte colectada</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>CL<sub>50</sub> (µg/mL)</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Categoría de  toxicidad</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Artemisia absinthium </span></i><span   lang=ES style='font-size:10.0pt;font-family:Verdana'>L<i>.</i></span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Incienso</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>9700183</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>5,17</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Extremadamente tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Annona glabra </span></i><span   lang=ES style='font-size:10.0pt;font-family:Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Bagá</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>8300098</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Symbol'>&gt;</span><span lang=ES   style='font-size:10.0pt;font-family:Verdana'> 1000</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>No tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Allium  sativum </span></i><span   lang=ES style='font-size:10.0pt;font-family:Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Ajo</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>sr</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>bulbo</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Symbol'>&gt;</span><span lang=ES   style='font-size:10.0pt;font-family:Verdana'> 1000</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>No tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Bambusa  vulgaris </span></i><span   lang=ES style='font-size:10.0pt;font-family:Verdana'>Schrad.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Caña brava</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>9500087</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Symbol'>&gt;</span><span lang=ES   style='font-size:10.0pt;font-family:Verdana'> 1000</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>No tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Bidens pilosa </span></i><span   lang=ES style='font-size:10.0pt;font-family:Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Romerillo</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>9700169</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>296,48</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Moderadamente tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Bixa orellana </span></i><span   lang=ES style='font-size:10.0pt;font-family:Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Bija</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>9600288</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>semilla</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>213,84</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Moderadamente tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Bursera  simaruba</span></i><span   lang=ES style='font-size:10.0pt;font-family:Verdana'> Sarg<i>.</i></span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Almácigo</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>8603305</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>163,56</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Moderadamente Tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Cymbopogon  citratus </span></i><span   lang=ES style='font-size:10.0pt;font-family:Verdana'>(DC.) Stapf.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Caña santa</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>8700008</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Symbol'>&gt;</span><span lang=ES   style='font-size:10.0pt;font-family:Verdana'> 1000</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>No tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Cassia grandis </span></i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>L. </span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Cañandonga</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>8300069</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Symbol'>&gt;</span><span lang=ES   style='font-size:10.0pt;font-family:Verdana'> 1000</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>No tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Curcuma longa </span></i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Yuquilla</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>9700178</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>rizomas</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Symbol'>&gt;</span><span lang=ES   style='font-size:10.0pt;font-family:Verdana'> 1000</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>No tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Cucurbita maxima </span></i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Calabaza</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>sr</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>semilla</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Symbol'>&gt;</span><span lang=ES   style='font-size:10.0pt;font-family:Verdana'> 1000</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>No tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Cecropia peltata </span></i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana;text-transform:uppercase'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Yagruma</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>8603239</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>794,3</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Moderadamente tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Cupressus sempervirens              </span></i><span lang=PT-BR style='font-size:10.0pt;font-family:   Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Ciprés</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>8603788</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>394,2</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Moderadamente tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Hura  crepitans </span></i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Salvadera</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>8600198</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>110,76</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Moderadamente tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Indigoffera  suffructicosa              </span></i><span lang=PT-BR style='font-size:10.0pt;font-family:   Verdana'>Mill.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Añil cimarrón</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>0100079</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>511,2</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Moderadamente tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Lepidium virginicum              </span></i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>L<i>.</i></span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Mastuerzo</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>8700259</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>928,9</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Moderadamente tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Luffa cylindrica </span></i><span   lang=ES style='font-size:10.0pt;font-family:Verdana'>(L.) Roem.<i> </i></span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Estropajo</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>8600366</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>48,4</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Muy tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Melia azedarach </span></i><span   lang=ES style='font-size:10.0pt;font-family:Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Paraíso</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>8402273</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>corteza de la raíz</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>59,8</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Muy tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Momordica c</span><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>harantia </span></i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Cundeamor</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>9700180</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Symbol'>&gt;</span><span lang=ES   style='font-size:10.0pt;font-family:Verdana'> 1000</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>No tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Manguifera indica </span></i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Mango</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>9700183</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Symbol'>&gt;</span><span lang=ES   style='font-size:10.0pt;font-family:Verdana'> 1000</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>No Tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Melaleuca leucadendron              </span></i><span lang=PT-BR style='font-size:10.0pt;font-family:   Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Cayeput</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>8501918</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>7,4</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Extremadamente tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Ocimum sanctum </span></i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Albahaca morada</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>9200485</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Symbol'>&gt;</span><span lang=ES   style='font-size:10.0pt;font-family:Verdana'> 1000</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>No tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Petiveria alliacea </span></i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Anamú</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>0000244</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Symbol'>&gt;</span><span lang=ES   style='font-size:10.0pt;font-family:Verdana'> 1000</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>No tóxico</span></font></p>         </td>       </tr>       <tr style='height:17.0pt'>          <td rowspan=2 valign=top style='padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Parthenium hysterophorus              </span></i><span lang=PT-BR style='font-size:10.0pt;font-family:   Verdana'>L.</span></font></p>         </td>         <td rowspan=2 valign=top style='padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Escoba amarga</span></font></p>         </td>         <td rowspan=2 valign=top style='padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>9700175</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>follaje  </span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>309,67</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Moderadamente tóxico</span></font></p>         </td>       </tr>       <tr style='height:17.0pt'>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>raíz </span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Symbol'>&gt;</span><span lang=ES   style='font-size:10.0pt;font-family:Verdana'> 1000</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>No tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Punica granatum </span></i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Granado</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>8300050</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>corteza del fruto</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>418,5</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Moderadamente tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Picramnia pentandra              </span></i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Sw<i>.</i></span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Aguedita</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>8303268</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Symbol'>&gt;</span><span lang=ES   style='font-size:10.0pt;font-family:Verdana'> 1000</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>No tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Pluchea odorata </span></i><span   lang=ES style='font-size:10.0pt;font-family:Verdana'>Cass. &amp; aut.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Salvia</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>9700158</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>123,3</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Moderadamente tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Portulaca oleracea </span></i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Verdolaga</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>sr</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>semilla</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Symbol'>&gt;</span><span lang=ES   style='font-size:10.0pt;font-family:Verdana'> 1000</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>No tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Simarouba glauca </span></i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>DC.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Gavilán</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>8300710</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>16,32</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Muy tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Stachytarpheta jamaicensis              </span></i><span lang=PT-BR style='font-size:10.0pt;font-family:   Verdana'>(L.) Vahl</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Verbena cimarrona</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>9200475</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>273,13</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Moderadamente tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Tabernaemontana citrifolia              </span></i><span lang=PT-BR style='font-size:10.0pt;font-family:   Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Huevo de gallo</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>8500720</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Symbol'>&gt;</span><span lang=ES   style='font-size:10.0pt;font-family:Verdana'> 1000</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>No tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Tradescantia discolor               </span></i><span lang=PT-BR style='font-size:10.0pt;font-family:   Verdana'>L’Her.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Cordobán</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>9200504</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Symbol'>&gt;</span><span lang=ES   style='font-size:10.0pt;font-family:Verdana'> 1000</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>No tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Tamarindus indica </span></i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Tamarindo</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>8300068</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Corteza del tallo</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Symbol'>&gt;</span><span lang=ES   style='font-size:10.0pt;font-family:Verdana'> 1000</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>No tóxico</span></font></p>         </td>       </tr>       <tr>          <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                ]]></body>
<body><![CDATA[<p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>Turnera ulmifolia </span></i><span   lang=PT-BR style='font-size:10.0pt;font-family:Verdana'>L.</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>Marilope</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>8602024</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>follaje</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=PT-BR   style='font-size:10.0pt;font-family:Verdana'>261,03</span></font></p>         </td>         <td valign=top style='padding:0cm 5.4pt 0cm 5.4pt'>                <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES   style='font-size:10.0pt;font-family:Verdana'>Moderadamente tóxico</span></font></p>         </td>       </tr>     </table>   </div>       <p class=MsoNormal align=center style='text-align:center'><font face="Verdana" size="2"><span lang=ES style='font-size:10.0pt;font-family:Verdana'>sr: sin número de registro en el      Jardín Botánico.</span></font></p> </div>     <P align="center">&nbsp;      <P><font face="Verdana" size="2">La clasificaci&oacute;n de los extractos seg&uacute;n    su grado de toxicidad (tabla) evidencia que 85,7 % de los extractos evaluados    se ubican en las categor&iacute;as de menor toxicidad (moderadamente t&oacute;xico    y no t&oacute;xico). </font>      <P>&nbsp;     ]]></body>
<body><![CDATA[<P>      <P><font face="Verdana" size="3"><B>DISCUSI&Oacute;N</B> </font>      <P>      <P><font face="Verdana" size="2">La detecci&oacute;n de extractos de plantas medicinales    cubanas con acci&oacute;n antiparasitaria espec&iacute;fica es el prop&oacute;sito    final de las investigaciones. La fuerte acci&oacute;n citot&oacute;xica de un    extracto vegetal o la demostraci&oacute;n de toxicidad <I>in vivo</I> constituyen    limitaciones relevantes para la b&uacute;squeda. </font>     <P><font face="Verdana" size="2">El ensayo de letalidad de larvas de <I>A. salina</I>    ha sido utilizado con eficiencia para detectar componentes con acci&oacute;n    citot&oacute;xica<SUP>11-14</SUP> y ha demostrado buena correlaci&oacute;n al    evaluar extractos de plantas con la toxicidad aguda oral en ratones.<SUP>9</SUP>    Estos hallazgos refuerzan la importancia de la utilizaci&oacute;n de este ensayo    como prueba alternativa de toxicidad. </font>     <P><font face="Verdana" size="2">Con vistas a correlacionar la acci&oacute;n t&oacute;xica    mostrada por extractos de plantas con otras actividades biol&oacute;gicas o    con la presencia de determinados componentes qu&iacute;micos, varios autores    reportan una clasificaci&oacute;n de la toxicidad seg&uacute;n el valor de la    CL<SUB>50</SUB> del extracto. Aunque estas clasificaciones poseen variaciones    entre s&iacute;, todas coinciden en agrupar los extractos con CL<SUB>50</SUB>    inferiores a 100 &#181;g/mL en las categor&iacute;as de mayor toxicidad, mientras,    los que muestran valores superiores a 1 000 &#181;g/mL se clasifican como no    t&oacute;xicos.<SUP>12,13,15</SUP> Este estudio revel&oacute; la presencia de    17 extractos no t&oacute;xicos y 5 extractos con elevada toxicidad (clasificados    como muy t&oacute;xicos o extremadamente t&oacute;xicos). </font>     <P><font face="Verdana" size="2"><I>A. absinthium </I>es una especie utilizada    como antiparasitaria y antipir&eacute;tica, tanto en Cuba<SUP>1</SUP> como en    otros pa&iacute;ses.<SUP>16</SUP> Su elevada toxicidad frente a larvas de <I>A.    salina</I> ya hab&iacute;a sido reportada por otros autores cubanos, al evaluar    un extracto diferente de esta planta.<SUP>9</SUP> El extracto del presente estudio    se evalu&oacute; con anterioridad frente a un panel de protozoos y c&eacute;lulas    humanas sin mostrar acci&oacute;n selectiva alguna.<SUP>17</SUP> </font>     <P><font face="Verdana" size="2"><I>M. leucadendron </I>es utilizada para combatir    infecciones.<SUP>1,18</SUP> La acci&oacute;n antiprotozoaria y antif&uacute;ngica    de este extracto fue considerada inespec&iacute;fica por causa de la citotoxicidad    demostrada frente a c&eacute;lulas humanas.<SUP>17</SUP> </font>     <P><font face="Verdana" size="2"><I>S. glauca </I>pertenece a la familia Simaroubacea,    caracterizada por la presencia de cuasinoides, cuya acci&oacute;n antimal&aacute;rica,<SUP>19</SUP>    citot&oacute;xica<SUP>19</SUP> y t&oacute;xica frente a larvas de <I>A. salina</I><SUP>11,20</SUP>    ha sido bien demostrada. El extracto del presente estudio no constituye una    excepci&oacute;n al mostrar elevada toxicidad y citotoxicidad, lo cual hace    del todo inespec&iacute;fica su potente acci&oacute;n antiprotozoaria.<SUP>17</SUP>    </font>     <P><font face="Verdana" size="2">Los extractos de <I>M. azedarach</I> y <I>L.    cylindrica</I> no han sido evaluados previamente por su acci&oacute;n antiparasitaria    o citot&oacute;xica. Sin embargo, es muy conocida la acci&oacute;n t&oacute;xica    de la primera especie, en especial la ingesti&oacute;n de los frutos, por causa    de la presencia de tetranortriterpenoides.<SUP>1,21</SUP> </font>     ]]></body>
<body><![CDATA[<P><font face="Verdana" size="2">En general, los resultados del presente trabajo    son favorables ante el hecho de que los extractos evaluados mostraron, mayoritariamente,    baja toxicidad en este modelo. La elevada acci&oacute;n t&oacute;xica exhibida    por los extractos de <I>A. absinthium, M. leucadendron, S. glauca, M. azedarach</I>    y <I>L. cylindrica</I> hacen descartar la posibilidad de continuar estudios    farmacol&oacute;gicos en esas especies. </font>     <P>&nbsp;      <P>      <P>      <P>      <P>      <P> <font face="Verdana" size="2"><B><font size="3">REFERENCIAS BIBLIOGR&Aacute;FICAS    </font></B></font>     <!-- ref --><P><font face="Verdana" size="2">1. Roig JT. Plantas medicinales, arom&aacute;ticas    o venenosas de Cuba. 2&#170; ed. La Habana: Editorial Cient&iacute;fico-T&eacute;cnica;    1974. </font>  <B></B>    <!-- ref --><P><font face="Verdana" size="2">2. Yajes R. Animal ethics committees and the    implementation of the Three Rs. Animal alternatives, welfare and ethics. In:    Van Zutphen LFM, Balls M, editors. Developments in Animal and Veterinary Sciences.    Elsevier; 1997. p.367-71. </font>    <!-- ref --><P><font face="Verdana" size="2">3. Michael AS, Thompson CG, Abramovitz M. <I>Artemia    salina</I> as a test organism for a bioassay. Science. 1956;123:464. </font>    <!-- ref --><P><font face="Verdana" size="2">4. Vanhaecke P, Persoone G, Claus C, Sorgeloos    P. Proposal for a short term toxicity test with <I>Artemia</I> nauplii. Ecotoxicol    Env Safety. 1981;5:382-87. </font>    <!-- ref --><P><font face="Verdana" size="2">5. Sleet RB, Brendel K. Improved methods for    harvesting and counting synchronous populations of <I>Artemia</I> nauplii for    use in developmental toxicology. Ecotoxicol Env Safety. 1983;7:435-46. </font>    <!-- ref --><P><font face="Verdana" size="2">6. Harwig J, Scott P. Brine shrimp (<I>Artemia    salina</I> L.) larvae as a screening system for fungal toxins. Appl Microbiol.    1971;21:1011-6. </font>    <!-- ref --><P><font face="Verdana" size="2">7. Jaki B, Orjala J, Burji HR, Sticher O. Biological    screening of cyanobacteria for antimicrobial and molluscicidal activity, brine    shrimp lethality and cytotoxicity. Pharm Biol. 1999;37:138-43. </font>    <!-- ref --><P><font face="Verdana" size="2">8. McLaughlin JL, Chang CJ, Smith DL. Bench top    bioassay for the discovery of bioactive natural products: an update. In: Studies    in Natural Products Chemistry. AU Rahman Elsevier; 1991. p.383-409. </font>    <!-- ref --><P><font face="Verdana" size="2">9. Lagarto A, Silva R, Guerra I, Iglesias L.    Comparative study of the assay of <I>Artemia salina</I> L. and the estimate    of medium lethal dose (LD50 value) in mice, to determine oral acute toxicity    of plant extracts. Phytomedicine. 2001;8(5):395-400. </font>    <!-- ref --><P><font face="Verdana" size="2">10. Mart&iacute;nez M, Del ramo J, Torreblanca    A, D&iacute;az-Mayans J. Effect of cadmiun exposure on Zinc levels in the brine    shrimp <I>Artemia</I> partenogen&eacute;tica. Aquaculture. 1998;172:315-25.    </font>    <!-- ref --><P><font face="Verdana" size="2">11. Sol&iacute;s PN, Wright CW, Anderson MM,    Gupta MP, Phillipson JD. A microwell cytotoxicity assay using <I>Artemia salina</I>.    Plant Med. 1993;59:250-2. </font>    <!-- ref --><P><font face="Verdana" size="2">12. Vald&eacute;s-Iglesias O, D&iacute;az N,    Cabranes Y, Acevedo ME, Areces AJ, Gra&ntilde;a L, et al. Macroalgas de la plataforma    insular cubana como fuente de extractos bioactivos. Avicennia. 2003;16:36-45.    </font>    <!-- ref --><P><font face="Verdana" size="2">13. Meyer BN, Ferrigni NR, Putnam JE, Jacobsen    LB, Nichols DE, McLaughlin JL. Brine shrimp: A convenient general bioassay for    active plant constituents. Plant Med. 1982;45:31-4. </font>    <!-- ref --><P><font face="Verdana" size="2">14. Mackeen MM, Ali AM, Lajis NH, Kawazu K, Hassan    Z, Amran M, et al. Antimicrobial, antioxidant, anti-tumour-promoting and cytotoxic    activities of different plant part extracts of <I>Garcinia atroviridis</I> Griff.    Ex T. Anders. J Ethnopharmacol. 2000;72:395-402. </font>    <!-- ref --><P><font face="Verdana" size="2">15. Sanabria-Galindo A, L&oacute;pez SI, Gualdr&oacute;n    R. Estudio fitoqu&iacute;mico preliminar y letalidad sobre <I>Artemia salina</I>    de plantas colombianas. Rev Col Cienc Qu&iacute;m Farm. 1997;26:15-9. </font>    <!-- ref --><P><font face="Verdana" size="2">16. Quinlan MB, Quinlan RJ, Nolan JM. Ethnophysiology    and herbal treatments of intestinal worms in Dominica, West Indies. J Ethnopharmacol.    2002;80:75-83. </font>    <!-- ref --><P><font face="Verdana" size="2">17. Fern&aacute;ndez-Calienes A, Mendiola J,    Scull R, Vermeersch M, Cos P, Maes L. <I>In vitro</I> anti-microbial activity    of the Cuban medicinal plants <I>Simarouba glauca </I>DC., <I>Melaleuca leucadendron</I>    L. and <I>Artemisia absinthium </I>L. Mem Inst Oswaldo Cruz. 2008;103(6):615-8.    </font>    <!-- ref --><P><font face="Verdana" size="2">18. Budhiraja SS, Cullum ME, Sioutis SS, Evangelista    L, Habanova ST. Biological activity of <I>Melaleuca alternifolia</I> (Tea Tree)    oil component, terpenin-4-0l, in human myelocytic cell line HL-60. J Manipulative    Physiol Ther.<I> </I>1999;22:447-53. </font>    <!-- ref --><P><font face="Verdana" size="2">19. Nurhanan MY, Azimahtol Hawariah LP, Mohd    Ilham A, Mohd Shukri MA. Cytotoxic effects of the root extracts of <I>Eurycoma    longifolia</I> Jack. Phytotherapy Res. 2005;19:994-6. </font>    <!-- ref --><P><font face="Verdana" size="2">20. Franssen FFJ, Smeijsters LJJW, Berger I,    Medinilla Aldana BE. <I>In vivo</I> and <I>in vitro</I> antiplasmodial activities    of some plants traditionally used in Guatemala against malaria. Antimicrob Agents    Chemother. 1997;41:1500-3. </font>    <!-- ref --><P><font face="Verdana" size="2">21. Phua DH, Tsai WJ, Ger J, Deng JF, Yang CC.    Human <I>Melia azedarach</I> poisoning. Clin Toxicol (Phila). 2008;46(10):1067-70.    </font>    <P>&nbsp;     <P>&nbsp;      ]]></body>
<body><![CDATA[<P>      <P><font face="Verdana" size="2">Recibido: 22 de junio de 2009.     <br>   Aprobado: 16 de julio de 2009. </font>     <P>&nbsp;     <P>&nbsp;      <P><font face="Verdana" size="2">Lic. <I>Aym&eacute; Fern&aacute;ndez-Calienes</I>.    Laboratorio de Malaria, Departamento de Parasitolog&iacute;a, Instituto de Medicina    Tropical &quot;Pedro Kour&iacute;&quot;. Autopista Novia del Mediod&iacute;a    Km 6 1/2. AP 601. Marianao 13. Ciudad de La Habana, Cuba. Tel&eacute;f.: 53-7-202-0650.    Correo electr&oacute;nico: <U><FONT  COLOR="#0000ff"><a href="mailto:ayme@ipk.sld.cu">ayme@ipk.sld.cu</a></FONT></U>    </font>       ]]></body><back>
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