<?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>0034-7507</journal-id>
<journal-title><![CDATA[Revista Cubana de Estomatología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Estomatol]]></abbrev-journal-title>
<issn>0034-7507</issn>
<publisher>
<publisher-name><![CDATA[Editorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-75072012000200003</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Efeito antifúngico de tinturas de própolis e romã sobre espécies de Candida]]></article-title>
<article-title xml:lang="es"><![CDATA[Efecto antimicótico de las tinturas a partir de propóleo y pomegranate contra las especies de Candida]]></article-title>
<article-title xml:lang="en"><![CDATA[Antifungal effect of tinctures from propolis and pomegranate against species of Candida]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dantas de Almeida]]></surname>
<given-names><![CDATA[Leopoldina de Fátima]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Wanderley Cavalcanti]]></surname>
<given-names><![CDATA[Yuri]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lira Júnior]]></surname>
<given-names><![CDATA[Ronaldo]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[de Oliveira Lima]]></surname>
<given-names><![CDATA[Edeltrudes]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dias de Castro]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidade Federal de Paraíba  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brasil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2012</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2012</year>
</pub-date>
<volume>49</volume>
<numero>2</numero>
<fpage>99</fpage>
<lpage>106</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-75072012000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75072012000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75072012000200003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[A utilização de produtos naturais na odontologia tem se mostrado como uma fonte alternativa no combate às patologias orais, incluindo as infecções fúngicas, causadas, geralmente, por Candida spp. Avaliar a ação antifúngica de tinturas de própolis Apis milifera e romã Punica granatum sobre Candida albicans (ATCC 76618), Candida krusei (ATCC 6538) e Candida tropicalis (ATCC 13803). A ação antifúngica das tinturas foi avaliada pelo método da Concentração Inibitória Mínima em meio de cultura sólido Ágar Saburaud Dextrose (Difco®). Foram confeccionados poços, com 6 mm de diâmetro, destinados a inserção de 50 µL das tinturas. Foram avaliadas seis concentrações seriadas das tinturas, sendo a concentração inicial para a tintura de própolis 200 mg/mL e 300 mg/mL a concentração inicial para a tintura de romã. Posteriormente, as placas de Petri foram incubadas em estufa bacteriológica por 48 h a 37 ºC. A análise dos dados para a Concentração Inibitória Mínima foi feita através da mensuração dos halos de inibição, sendo considerados quando iguais ou superiores a 10 mm de diâmetro. Para a tintura de romã observou-se que as Concentração Inibitória Mínima sobre Candida albicans, Candida krusei e Candida tropicalis foram 9,37 mg/mL, 9,37 mg/mL e 18,75 mg/mL, respectivamente. Em relação à tintura da própolis, constatou-se que apenas em sua forma pura apresentou ação antifúngica sobre Candida krusei e Candida tropicalis, entretanto a mesma ação não foi observada sobre Candida albicans. As tinturas avaliadas apresentam ação antifúngica sobre as cepas avaliadas, exceto a tintura da própolis sobre Candida albicans.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Se ha demostrado que el uso de productos naturales en Estomatología es una fuente alternativa contra las enfermedades orales, incluyendo las infecciones micóticas, generalmente causadas por Candida spp. El objetivo de este trabajo fue evaluar la acción antimicótica de las tinturas a partir del propóleo (Apis milifera) y a partir de pomegranate (Punica granatum) sobre Candida albicans (ATCC 76618), Candida krusei (ATCC 6538) y Candida tropicalis (TCC 13803). La actividad antimicótica de las tinturas fue evaluada por el método Minimum Inhibitory Concentration en Aagar Dextrosa Saburaud (Difco®). Se crearon 6 orificios con un diámetro de 6 mm para la inserción de 50 µL de tinturas. Se evaluaron 6 concentraciones seriadas donde la concentración inicial para las tinturas a partir de propóleo fue de 200 mg/mL y de 300 mg/mL como concentración inicial para la tintura a partir de pomegranate. Posteriormente, los discos de Petri fueron incubados durante 48 h a 37ºC. El análisis de los datos para Minimum Inhibitory Concentration fue realizado midiendo las zonas de inhibición, se consideró inhibición cuando es igual o mayor de 10 mm de diámetro. En el caso de la tintura de pomegranate, se comprobó que la Minimum Inhibitory Concentration en Candida albicans, Candida krusei y Candida tropicalis fueron de 9,37 mg/mL, 9,37 mg/mL y 18,75 mg/mL respectivamente. Para las tinturas a base de propóleo, la acción antimicótica fue verificada solo en la concentración pura sobre Candida krusei y Candida tropicalis, pero no fue observada en Candida albicans. Las tinturas a base de pomegranate y propóleo tuvieron actividad antimicótica sobre las cepas evaluadas, excepto en el caso de la tintura a base de propóleo sobre Candida albicans.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The use of natural products in Dentistry has been shown as an alternative source against oral diseases, including fungi infections, generally caused by Candida spp. The aim was to evaluate the antifungal action of tinctures from propolis (Apis milifera) and from pomegranate (Punica granatum) on Candida albicans (ATCC 76618), Candida krusei (ATCC 6538) and Candida tropicalis (ATCC 13803). The antifungal activity of tinctures was evaluated by Minimum Inhibitory Concentration method on Saburaud Dextrose Agar (Difco®). Six wells were confectioned, with 6 mm of diameter, to the insertion of 50 µL of tinctures. Six serial concentrations were evaluated, been 200 mg/mL the initial concentration for tincture from propolis and 300 mg/mL the initial concentration for tincture from pomegranate. Later, the Petri plates were incubated in bacteriological incubator for 48 h on 37 ºC. Data analysis for Minimum Inhibitory Concentration was conducted by measurement of inhibition zones, been considered inhibited when equal or bigger than 10 mm of diameter. For tincture from pomegranate, was verified that the Minimum Inhibitory Concentration on Candida albicans, Candida krusei and Candida tropicalis were 9.37 mg/mL, 9.37 mg/mL and 18.75 mg/mL, respectively. For tinctures from propolis, the antifungal action was verified only in pure concentration on Candida krusei and Candida tropicalis, but it was not observed on Candida albicans. The tinctures from pomegranate and propolis had antifungal activity on evaluated strains, except for tincture from propolis on Candida albicans.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Candida albicans]]></kwd>
<kwd lng="pt"><![CDATA[Apis mellifera]]></kwd>
<kwd lng="pt"><![CDATA[Punica granatum]]></kwd>
<kwd lng="es"><![CDATA[Candida albicans]]></kwd>
<kwd lng="es"><![CDATA[Apis mellifera]]></kwd>
<kwd lng="es"><![CDATA[Punica granatum]]></kwd>
<kwd lng="en"><![CDATA[Candida albicans]]></kwd>
<kwd lng="en"><![CDATA[Apis mellifera]]></kwd>
<kwd lng="en"><![CDATA[Punica granatum]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <font face="Verdana, Arial, Helvetica, sans-serif" size="2"><B>     <div align="right">       <p>ART&Iacute;CULO ORIGINAL</p>       <p>&nbsp; </p> </div> </B></font>      <P>     <P>     <P>      <P>      <P><b><font face="Verdana, Arial, Helvetica, sans-serif" size="4">Efeito antif&uacute;ngico    de tinturas de pr&oacute;polis e rom&atilde; sobre esp&eacute;cies de <I>Candida</I></font></b>     <br>     ]]></body>
<body><![CDATA[<P>&nbsp;     <P><b><font face="Verdana, Arial, Helvetica, sans-serif" size="3">Efecto antimic&oacute;tico    de las tinturas a partir de prop&oacute;leo y pomegranate contra las especies    de <I>Candida    <br>       <br>       <br>   </I></font></b>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="3"><b>Antifungal effect    of tinctures from propolis and pomegranate against species of <I>Candida</I>    </b></font>     <P>&nbsp;     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><B>MSc. Leopoldina    de F&aacute;tima Dantas de Almeida, Bachiller Yuri Wanderley Cavalcanti, Bachiller    Ronaldo Lira J&uacute;nior, Dra. Edeltrudes de Oliveira Lima, Dr. Ricardo Dias    de Castro</B> </font>      <P>&nbsp;     ]]></body>
<body><![CDATA[<P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Universidade Federal    da Para&iacute;ba, Brasil. </font>     <P>&nbsp;     <P>&nbsp; <hr size="1" noshade>     <P>      <P>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><B>RESUMO</B> </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">A utiliza&ccedil;&atilde;o    de produtos naturais na odontologia tem se mostrado como uma fonte alternativa    no combate &agrave;s patologias orais, incluindo as infec&ccedil;&otilde;es    f&uacute;ngicas, causadas, geralmente, por <I>Candida</I> spp.<B> </B>Avaliar    a a&ccedil;&atilde;o antif&uacute;ngica de tinturas de pr&oacute;polis <I>Apis    milifera</I> e rom&atilde; <I>Punica granatum</I> sobre <I>Candida albicans</I>    (ATCC 76618), <I>Candida krusei</I> (ATCC 6538) e <I>Candida tropicalis</I>    (ATCC 13803). A a&ccedil;&atilde;o antif&uacute;ngica das tinturas foi avaliada    pelo m&eacute;todo da Concentra&ccedil;&atilde;o Inibit&oacute;ria M&iacute;nima    em meio de cultura s&oacute;lido &Aacute;gar Saburaud Dextrose (Difco&#174;).    Foram confeccionados po&ccedil;os, com 6 mm de di&acirc;metro, destinados a    inser&ccedil;&atilde;o de 50 &#181;L das tinturas. Foram avaliadas seis concentra&ccedil;&otilde;es    seriadas das tinturas, sendo a concentra&ccedil;&atilde;o inicial para a tintura    de pr&oacute;polis 200 mg/mL e 300 mg/mL a concentra&ccedil;&atilde;o inicial    para a tintura de rom&atilde;. Posteriormente, as placas de Petri foram incubadas    em estufa bacteriol&oacute;gica por 48 h a 37 &#186;C. A an&aacute;lise dos    dados para a Concentra&ccedil;&atilde;o Inibit&oacute;ria M&iacute;nima foi    feita atrav&eacute;s da mensura&ccedil;&atilde;o dos halos de inibi&ccedil;&atilde;o,    sendo considerados quando iguais ou superiores a 10 mm de di&acirc;metro. Para    a tintura de rom&atilde; observou-se que as Concentra&ccedil;&atilde;o Inibit&oacute;ria    M&iacute;nima sobre <I>Candida albicans,</I> <I>Candida krusei </I>e <I>Candida    tropicalis</I> foram 9,37 mg/mL, 9,37 mg/mL e 18,75 mg/mL, respectivamente.    Em rela&ccedil;&atilde;o &agrave; tintura da pr&oacute;polis, constatou-se que    apenas em sua forma pura apresentou a&ccedil;&atilde;o antif&uacute;ngica sobre    <I>Candida krusei </I>e <I>Candida tropicalis</I>, entretanto a mesma a&ccedil;&atilde;o    n&atilde;o foi observada sobre <I>Candida albicans</I>.<B> </B>As tinturas avaliadas    apresentam a&ccedil;&atilde;o antif&uacute;ngica sobre as cepas avaliadas, exceto    a tintura da pr&oacute;polis sobre <I>Candida albicans.</I> </font>     ]]></body>
<body><![CDATA[<P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><B>Palavras chave</B><I>:</I><B>    </B><I>Candida albicans, Apis mellifera, Punica granatum.</I> </font>  <hr size="1" noshade>     <P>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><B>RESUMEN</B>    </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Se ha demostrado    que el uso de productos naturales en Estomatolog&iacute;a es una fuente alternativa    contra las enfermedades orales, incluyendo las infecciones mic&oacute;ticas,    generalmente causadas por <I>Candida spp.</I> El objetivo de este trabajo fue    evaluar la acci&oacute;n antimic&oacute;tica de las tinturas a partir del prop&oacute;leo    (<i>Apis milifera</i>) y a partir de pomegranate (<i>Punica granatum</i>) sobre    <I>Candida albicans</I> (ATCC 76618), <I>Candida krusei</I> (ATCC 6538) y <I>Candida    tropicalis</I> (TCC 13803). La actividad antimic&oacute;tica de las tinturas    fue evaluada por el m&eacute;todo <I>Minimum Inhibitory Concentration</I> en    Aagar Dextrosa Saburaud (Difco&#174;). Se crearon 6 orificios con un di&aacute;metro    de 6 mm para la inserci&oacute;n de 50 &#181;L de tinturas. Se evaluaron 6 concentraciones    seriadas donde la concentraci&oacute;n inicial para las tinturas a partir de    prop&oacute;leo fue de 200 mg/mL y de 300 mg/mL como concentraci&oacute;n inicial    para la tintura a partir de pomegranate. Posteriormente, los discos de Petri    fueron incubados durante 48 h a 37&#186;C. El an&aacute;lisis de los datos para    <i>Minimum Inhibitory Concentration</i> fue realizado midiendo las zonas de    inhibici&oacute;n, se consider&oacute; inhibici&oacute;n cuando es igual o mayor    de 10 mm de di&aacute;metro. En el caso de la tintura de pomegranate, se comprob&oacute;    que la <I>Minimum Inhibitory Concentration</I> en <I>Candida albicans</I>, <I>Candida    krusei </I>y <I>Candida tropicalis </I>fueron de 9,37 mg/mL, 9,37 mg/mL y 18,75    mg/mL respectivamente. Para las tinturas a base de prop&oacute;leo, la acci&oacute;n    antimic&oacute;tica fue verificada solo en la concentraci&oacute;n pura sobre    <I>Candida krusei</I> y <I>Candida tropicalis</I>, pero no fue observada en    <I>Candida albicans</I>. Las tinturas a base de pomegranate y prop&oacute;leo    tuvieron actividad antimic&oacute;tica sobre las cepas evaluadas, excepto en    el caso de la tintura a base de prop&oacute;leo sobre <I>Candida albicans</I>.    </font>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><B>Palabras clave:    </B><I>Candida albicans, Apis mellifera, Punica granatum.</I> </font> <hr size="1" noshade>     <P>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><B>ABSTRACT</B>    </font>     ]]></body>
<body><![CDATA[<P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">The use of natural    products in Dentistry has been shown as an alternative source against oral diseases,    including fungi infections, generally caused by <I>Candida spp</I>. The aim    was to evaluate the antifungal action of tinctures from propolis (<I>Apis milifera</I>)    and from pomegranate (<I>Punica granatum</I>) on <I>Candida albicans</I> (ATCC    76618), <I>Candida krusei</I> (ATCC 6538) and <I>Candida tropicalis</I> (ATCC    13803).<B> </B>The antifungal activity of tinctures was evaluated by Minimum    Inhibitory Concentration method on Saburaud Dextrose Agar (Difco&#174;). Six    wells were confectioned, with 6 mm of diameter, to the insertion of 50 &#181;L    of tinctures. Six serial concentrations were evaluated, been 200 mg/mL the initial    concentration for tincture from propolis and 300 mg/mL the initial concentration    for tincture from pomegranate. Later, the Petri plates were incubated in bacteriological    incubator for 48 h on 37 &#186;C. Data analysis for Minimum Inhibitory Concentration    was conducted by measurement of inhibition zones, been considered inhibited    when equal or bigger than 10 mm of diameter. For tincture from pomegranate,    was verified that the Minimum Inhibitory Concentration on <I>Candida albicans,</I>    <I>Candida krusei </I>and <I>Candida tropicalis </I>were 9.37 mg/mL, 9.37 mg/mL    and 18.75 mg/mL, respectively. For tinctures from propolis, the antifungal action    was verified only in pure concentration on <I>Candida krusei </I>and <I>Candida    tropicalis</I>, but it was not observed on <I>Candida albicans</I>. The tinctures    from pomegranate and propolis had antifungal activity on evaluated strains,    except for tincture from propolis on <I>Candida albicans.</I> </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><B>Key words</B><I>:</I><B>    </B><I>Candida albicans, Apis mellifera, Punica granatum.</I> </font> <hr size="1" noshade>     <P>&nbsp;     <P>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><font size="3"><b>INTRODU&Ccedil;&Atilde;O</b></font>    </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">A candid&iacute;ase    &eacute; definida como infec&ccedil;&atilde;o f&uacute;ngica bucal, mais prevalente,    sendo geralmente diagnosticada por meio da descama&ccedil;&atilde;o do epit&eacute;lio    bucal, al&eacute;m de seu aspecto eritematoso com presen&ccedil;a de placas    brancas destac&aacute;veis sobre a mucosa; sensa&ccedil;&atilde;o de ard&ecirc;ncia    e prurido.<SUP>1</SUP> A <I>Candida albicans</I> &eacute; citada como a esp&eacute;cie    de maior patogenicidade, predominantemente encontrada em les&otilde;es de candid&iacute;ase    na mucosa bucal, no entanto, observa-se o aumento no n&uacute;mero de esp&eacute;cies    n&atilde;o albicans no curso da infec&ccedil;&atilde;o, a exemplo: <I>C. tropicalis</I>,    <I>C. krusei</I>, <I>C. parapsilosis </I>e <I>C. guilliermondii</I>.<SUP>2</SUP>    </font>     ]]></body>
<body><![CDATA[<P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Em indiv&iacute;duos    imunocomprometidos, especialmente os acomeditos pelo HIV/AIDS, cerca de 74 %    apresentam les&otilde;es na mucosa bucal ocasionados por infec&ccedil;&otilde;es    causadas por <I>Candida</I> spp.<SUP>3,4</SUP> Ressalta-se que nestes indiv&iacute;duos    a candid&iacute;ase bucal pode funcionar como um marcador da progress&atilde;o    da doen&ccedil;a e preditivo para o aumento da imunossupress&atilde;o. Diante    desse contexto, a pesquisa de novos agentes terap&ecirc;uticos torna-se uma    medida relevante.<SUP>5</SUP> </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Mesmo com o emprego    de diversos medicamentos existe a possibilidade de cepas resistentes, conforme    apresentado por <I>Rex e outros</I>,<SUP>2</SUP> no qual se verificou relatos    de casos referentes &agrave; resist&ecirc;ncia medicamentosa da <I>C. albicans</I>    frente a derivados az&oacute;licos, em pacientes HIV positivos com diagn&oacute;stico    de candidose bucal. Assim, diante do evidente crescimento do n&uacute;mero de    pat&oacute;genos resistentes aos antimicrobianos atualmente utilizados na cl&iacute;nica,    verifica-se emergente necessidade de introduzir novos agentes antimicrobianos    no arsenal terap&ecirc;utico.<SUP>6</SUP> </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">No que se refere    &agrave; resist&ecirc;ncia de cepas de <I>Candida</I> aos antif&uacute;ngicos    sint&eacute;ticos az&oacute;licos, como fluconazol, miconazol e intraconazol,    diversos mecanismos contribuem para o fen&ocirc;meno de resist&ecirc;ncia, entre    eles destacam-se: a superexpress&atilde;o ou muta&ccedil;&atilde;o do gene ERG11,    que codifica a enzima alvo dos az&oacute;is, a lanosterol 14-&aacute;-desmetilase;<SUP>7</SUP>    a superexpress&atilde;o de genes CDR1, CDR2 e MDR1 que codificam bombas de efluxo;<SUP>8-10</SUP>    altera&ccedil;&otilde;es do gene ERG-3 que codifica a enzima 5-6 esterol dessaturase,    importante na s&iacute;ntese do ergosterol,<SUP>11</SUP> bem como altera&ccedil;&otilde;es    na composi&ccedil;&atilde;o lip&iacute;dica da membrana plasm&aacute;tica f&uacute;ngica,    o que dificulta o influxo do f&aacute;rmaco na c&eacute;lula.<SUP>12</SUP> Ressalta-se    que estes mecanismos podem ocorrer simultaneamente, contribuindo para ampliar    o fen&ocirc;meno de resist&ecirc;ncia. </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Diante do exposto,    verifica-se a necessidade de estudos sobre a atividade de produtos naturais,    na tentativa de obter-se melhor desempenho sobre tais microrganismos.<SUP>5,13</SUP>    A utiliza&ccedil;&atilde;o de plantas medicinais, devido &agrave;s suas propriedades    anti-s&eacute;pticas, &eacute; verificada desde a antiguidade. Entretanto, evid&ecirc;ncias    cl&iacute;nicas e laboratoriais sobre a efetividade desses elementos ainda s&atilde;o    escassas na literatura.<SUP>14,15</SUP> </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">A utiliza&ccedil;&atilde;o    destes produtos naturais, visando &agrave; produ&ccedil;&atilde;o de subst&acirc;ncias    com atividade antimicrobiana capaz de interferir no desenvolvimento do biofilme    bucal, se faz uma alternativa v&aacute;lida. Al&eacute;m disto, outras patologias    bocais, como a candidose bucal, podem receber como terap&ecirc;utica o emprego    de produtos naturais<SUP>16</SUP> dentre esses est&atilde;o subst&acirc;ncias    a base de <I>Apis milifera</I> (pr&oacute;polis) e <I>Punica granatum</I> (rom&atilde;).    </font>     ]]></body>
<body><![CDATA[<P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Relatos sobre a    a&ccedil;&atilde;o antibacteriana e antif&uacute;ngica de extratos de <I>Apis    milifera</I> (pr&oacute;polis) e <I>Punica granatum</I> (rom&atilde;) t&ecirc;m    sido descritos por v&aacute;rios estudos.<SUP>17-21</SUP> Um dos principais    componentes respons&aacute;vel pela a&ccedil;&atilde;o antimicrobiana desses    produtos &eacute; o glicos&iacute;deo flavan&oacute;ide, o qual tem propriedades    anti-s&eacute;pticas e antiinflamat&oacute;rias.<SUP>21 </SUP>Diante disto,    objetivou-se avaliar a a&ccedil;&atilde;o antif&uacute;ngica das tinturas de    pr&oacute;polis (<I>Apis milifera)</I> e rom&atilde;<I> (Punica granatum </I>Linn<I>)</I>,    nas concentra&ccedil;&otilde;es de 20 g/mL e 30 g/mL, respectivamente, sobre    <I>C. albicans </I>(ATCC76618<I>), C. tropicallis </I>(ATCC13803)<I> e C. krusei    </I>(ATCC 6538). </font>     <P>&nbsp;     <P>      <P>      <P><b><font face="Verdana, Arial, Helvetica, sans-serif" size="3">M&Eacute;TODO    </font></b>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Realizou-se um    estudo laboratorial de natureza experimental e descritiva. As tinturas foram    preparadas por meio da macera&ccedil;&atilde;o das mat&eacute;rias primas secas.    Foram selecionadas concentra&ccedil;&otilde;es de 200 mg/mL e 300 mg/mL, para    tinturas de pr&oacute;polis e rom&atilde;, respectivamente. A partir da concentra&ccedil;&atilde;o    inicial, foram obtidas cinco concentra&ccedil;&otilde;es seriadas decrescentes    das tinturas de pr&oacute;polis (100 mg/mL a 6,25 mg/mL), e da rom&atilde; (150    mg/mL a 4,68 mg/mL). Assim, seis concentra&ccedil;&otilde;es tiveram seu potencial    antif&uacute;ngico avaliados. A fim de compararmos a a&ccedil;&atilde;o antif&uacute;ngica    das tinturas, foi utilizado como controle a Nistatina&#174; (100,000 UI/mL suspens&atilde;o    oral), em sua formula&ccedil;&atilde;o pura, j&aacute; que se apresenta pronta    para uso cl&iacute;nico. </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Foram utilizadas    cepas padr&atilde;o de <I>C. albicans </I>(ATCC76618<I>), C. tropicallis </I>(ATCC13803)<I>    e C. krusei </I>(ATCC 6538). Foram preparadas suspens&otilde;es, em solu&ccedil;&atilde;o    salina est&eacute;ril, das cepas de <I>C. albicans</I>,<I> C. tropicallis </I>e<I>    C. krusei</I>, de forma que foram comparados &agrave; escala de Mac Farland    (1,5 x 10<SUP>6</SUP> microrganismos/mL). </font>     ]]></body>
<body><![CDATA[<P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">A a&ccedil;&atilde;o    antif&uacute;ngica das tinturas foi determinada por meio da metodologia da difus&atilde;o    em meio s&oacute;lido, utilizando-se Agar Saburaud Dextrose (Difco&#174;). Assim,    as placas foram semeadas atrav&eacute;s da t&eacute;cnica do esgotamento. Em    seguida, foram perfurados sete po&ccedil;os, com 6 mm de di&acirc;metro destinados    &agrave; inser&ccedil;&atilde;o das subst&acirc;ncias dilu&iacute;das e puras.    Ap&oacute;s, a inser&ccedil;&atilde;o de 50 &#181;L das amostras, as placas    foram incubadas em estufa bacteriol&oacute;gica a 37 &#186;C por 48 horas.<SUP>20</SUP>    </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">A an&aacute;lise    dos dados para a Concentra&ccedil;&atilde;o Inibit&oacute;ria M&iacute;nima    (CIM) foi efetuada pela mensura&ccedil;&atilde;o dos halos de inibi&ccedil;&atilde;o,    considerados quando iguais ou superiores a 10 mm de di&acirc;metro.<SUP>13</SUP>    Os testes foram realizados em triplicata com o objetivo de dar maior confiabilidade    ao estudo. Em seguida, foram extra&iacute;das as m&eacute;dias aritm&eacute;ticas    dos valores dos di&acirc;metros dos halos de inibi&ccedil;&atilde;o. </font>     <P>&nbsp;     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="3"><B>RESULTADOS</B></font><font face="Verdana, Arial, Helvetica, sans-serif" size="2">    </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">As CIM dos produtos    testados sobre as cepas <I>C. albicans</I>, <I>C. tropicalis</I>, e <I>C. krusei</I>    s&atilde;o apresentados no Quadro. A tintura de Rom&atilde; apresentou atividade    antif&uacute;ngica nas concentra&ccedil;&otilde;es 9,37 mg/mL e 18,75 mg/mL.    A tintura de pr&oacute;polis n&atilde;o apresentou atividade sobre <I>C. albicans    </I>(CIM&gt;200 mg/mL) e apresentou CIM nas concentra&ccedil;&otilde;es 200    mg/mL frente <I>C. krusei </I>e <I>C. tropicalis.</I> Observou-se sensibilidade    de todas as leveduras frente &agrave; Nistatina&#174; (100,000 UI/mL suspens&atilde;o    oral), utilizada como controle (<a href="#cu1">quadro</a>). </font>      <P align="center">     ]]></body>
<body><![CDATA[<p align="center"><img src="/img/revistas/est/v49n2/cu010312.gif" width="421" height="201"><a name="cu1"></a></p>     <p><B> </B></p> <B>    <P>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="3">DISCUSS&Atilde;O</font> </B>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Atividade antimicrobiana    de extratos de <I>Apis milifera</I> (pr&oacute;polis) e <I>Punica granatum</I>    (rom&atilde;) tem sido investigada por v&aacute;rios autores.<SUP>17-20</SUP>    Entretanto, n&atilde;o se observam dados &agrave; cerca de estudos com tais    produtos na formula&ccedil;&atilde;o de tintura, meio mais vi&aacute;vel e de    baixo custo para produ&ccedil;&atilde;o, os quais devem ter sua atividade antimicrobiana    documentada. </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Constatou-se que    a tintura de pr&oacute;polis frente &agrave; <I>C. albicans</I> n&atilde;o apresentou    efic&aacute;cia, n&atilde;o corroborando com estudo realizado por <I>Dias e    outros</I>,<SUP>22</SUP> que investigaram a a&ccedil;&atilde;o de extratos etan&oacute;lico    e aquoso de pr&oacute;polis frente &agrave; <I>C.</I> <I>albicans </I>(ATCC    18804), <I>C.</I> <I>tropicalis </I>(ATCC 750), <I>C.</I> <I>glabrata </I>(ATCC    2001), <I>C. parapsilosis </I>(ATCC 22019), <I>C. krusei</I> (ATCC 2340) e <I>C.    guilliermondii </I>(ATCC 201935). Entretanto, frente &agrave;s demais esp&eacute;cies    estudadas, observou-se efetividade da tintura de pr&oacute;polis, concordando    com o referido estudo.<SUP>22</SUP> </font>     <P>      ]]></body>
<body><![CDATA[<P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">O resultado controverso    frente &agrave;s leveduras de mesma esp&eacute;cie pode ser explicado pela presen&ccedil;a    de fatores de virul&ecirc;ncia distintos, j&aacute; que n&atilde;o apresentam    a mesma especifica&ccedil;&atilde;o. Outra hip&oacute;tese seria a diferen&ccedil;a    fenot&iacute;pica entre as esp&eacute;cies, de forma que a resposta frente ao    uso de produtos &agrave; base pr&oacute;polis pode ser distinta, conforme observado    no presente ensaio. </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">A composi&ccedil;&atilde;o    e forma de manipula&ccedil;&atilde;o dos produtos naturais podem interferir    na a&ccedil;&atilde;o antif&uacute;ngica, j&aacute; que <I>Dias e outros</I><SUP>22</SUP>    relataram que existem diferen&ccedil;as de resultados frente ao uso de extratos    etan&oacute;licos e aquosos sobre cepas de <I>Candida</I>. Assim destaca-se    que estes requisitos t&eacute;cnicos, bem como os ve&iacute;culos utilizados    e as formas de extra&ccedil;&atilde;o do princ&iacute;pio ativo, neste caso    a produ&ccedil;&atilde;o de extrato ou tintura, poderia interferir na a&ccedil;&atilde;o    antif&uacute;ngica, pois haver&aacute; diferen&ccedil;a na concentra&ccedil;&atilde;o    do princ&iacute;pio ativo respons&aacute;vel pela atividade antif&uacute;ngica.    </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">A atividade da    tintura de rom&atilde; foi observada em baixas concentra&ccedil;&otilde;es (9,37    mg/mL), frente as cepas <I>C. albicans </I>e <I>C. krusei</I>, o que indica    a&ccedil;&atilde;o antimicrobiana dos produtos em baixas concentra&ccedil;&otilde;es.    Entretanto, <I>Nascimento e outros</I><SUP>23</SUP> relatam que atividade antif&uacute;ngica    da fra&ccedil;&atilde;o hidroalco&oacute;lica do extrato de rom&atilde; n&atilde;o    inibiu o crescimento de <I>C. albicans</I>, quando se investigou a CIM do produto    por meio da difus&atilde;o em &aacute;gar, metodologia utilizada tamb&eacute;m    no presente estudo. O mesmo estudo relatou a a&ccedil;&atilde;o antibacteriana    frente &agrave;s esp&eacute;cies <I>Pseudomonas aeruginosa</I> e <I>Bacillus    subtilis</I>. </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Utilizando-se a    t&eacute;cnica da microdilui&ccedil;&atilde;o <I>Holetz e outros</I><SUP>24</SUP>    avaliaram a CIM da <I>P. granatum </I>sobre<I> C. albicans, C. krusei, C. parapsilosis    e</I> <I>C. tropicalis</I>, al&eacute;m de algumas esp&eacute;cies bacterianas.    Observaram que o extrato foi eficaz frente &agrave; maioria das leveduras com    CIM de 15,6; 12,5 e 15,6 &#181;g/mL sobre <I>C. krusei, C. parapsilosis e</I>    <I>C. tropicalis</I>, respectivamente. Entretanto, sobre <I>C. albicans</I>,    o produto n&atilde;o apresentou atividade efetiva, sendo a CIM superior a 1000    &#181;g/mL. Considerando-se as diferen&ccedil;as metodol&oacute;gicas entre    o estudo de <I>Holetz e outros</I><SUP>24</SUP> e a presente investiga&ccedil;&atilde;o,    observou-se atividade bem sucedida frente <I>C. krusei e</I> <I>C. tropicalis</I>.    </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Entretanto &eacute;    valido destacar as diferen&ccedil;as de CIM dos estudos, observando-se que <I>Holetz    e outros</I><SUP>24</SUP> utilizaram um extrato etan&oacute;lico de rom&atilde;,    enquanto no presente ensaio utilizou-se uma tintura, assim justificando a discrep&acirc;ncia    nas CIM. Diante do exposto, considerando-se as limita&ccedil;&otilde;es do estudo    <I>in vitro</I>, sendo o mesmo<I> </I>de base experimental, observa-se o potencial    antif&uacute;ngico dos produtos avaliados nas devidas concentra&ccedil;&otilde;es.    Desta forma, se faz necess&aacute;rio a aplica&ccedil;&atilde;o de outros testes    de atividade antif&uacute;ngica <I>in vitro</I> e <I>in vivo</I>,<I> </I>em    concentra&ccedil;&otilde;es diferenciadas, para que a utiliza&ccedil;&atilde;o    cl&iacute;nica dos produtos possam ser validada e realizada de forma segura    e eficaz. Conclu&iacute;ram-se as tinturas estudadas apresentaram a&ccedil;&atilde;o    antif&uacute;ngica sobre as cepas avaliadas, exceto a tintura da pr&oacute;polis    sobre <I>C. albicans</I>. </font>     <P>&nbsp;     ]]></body>
<body><![CDATA[<P>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="3"><B>REFER&Ecirc;NCIAS    BIBLIOGR&Aacute;FICAS</B> </font>     <P>      <!-- ref --><P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">1. Neville BW,    Damm DD, Allem CM, Bouquot JE. Patologia oral e maxilofacial. S&atilde;o Paulo:    Guanabara Koogan; 2009.     </font>     <P>      <!-- ref --><P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">2. Rex JH, Walsh    TJ, Sobel JD, Filler SG, Pappas PG, Dismukes WE, Edwards JE. Practice guidelines    for the treatment of candidiasis. J Infect Dis. 2000;30(4):662-78.     </font>     <P>      ]]></body>
<body><![CDATA[<!-- ref --><P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">3. Gabler IG. Incidence    and anatomic localization of oral Candidiasis in patients with aids hospitalized    in a public hospital in Belo Horizonte, MG, Brazil. J Appl Oral Sci Bauru. 2008;16(4):247-50.        </font>      <P>      <!-- ref --><P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">4. Gasparin AB.    Prevalence of oral lesions in persons with HIV and associated factors in a southern    Brazilian city. Cad Sa&uacute;de P&uacute;blica. 2009;25(6):1307-15.     </font>      <P>      <!-- ref --><P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">5. Siddiqui M,    Khan AU. Antimicrobial activity of five herbal extracts against multi drug resistant    (MRD) strains of bacteria and fungus of clinical origin. Molecules. 2009;14(2):586-97.        </font>     <!-- ref --><P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">6. Pozzatti P,    Scheid LA, Spader TB, Atayde ML, Santurio JM, Alves SH. <I>In vitro</I> activity    of essential oils extracted from plants used as spices against fluconazole-resistant    and fluconazole-susceptible <I>Candida</I> spp. Can J Microbiol. 2008;54(11):950-60.        </font>     ]]></body>
<body><![CDATA[<P>      <!-- ref --><P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">7. Khan R, Islam    B, Akram M, Shakil S, Ahmad AA, Ali SM, et al. Antimicrobial activity of five    herbal extracts against multi drug resistant (MRD) strains of bacteria and fungus    of clinical origin. Molecules. 2009;14(2):586-97.     </font>      <P>      <!-- ref --><P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">8. Marichal P,    Koymans L, Willemsens S, Bellens D, Verhasselt P, Luyten W, et al. Contribution    of mutations in the cytochrome P450 14&aacute;-demethylase (Erg11p, Cyp51p)    to azole resistance in <I>Candida albicans. </I>Microbiology. 1999;145(1):2701-13.        </font>     <P>      <!-- ref --><P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">9. Basso-Junior    LR, Gast CE, Mao Y, Wong B. Fluconazole transport into <I>Candida albicans</I>    Secretory Vesicles by the Membrane Proteins Cdr1p, Cdr2p, and Mdr1p. Eukaryotic    Cell. 2010;9(6):960-70.     </font>     <P>      ]]></body>
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<body><![CDATA[<!-- ref --><p><font face="Verdana, Arial, Helvetica, sans-serif" size="2">24. Holetz FB,    Pessini GL, Sanches NR, Cortez DA, Nakamura CV, Dias Filho BP. Screening of    some plants used in the brazilian folk medicine for the treatment of infectious    diseases. Mem Inst Oswaldo Cruz. 2002;97(7):1027.    </font></p>     <p>    <br> </p>     <P>&nbsp;      <P>&nbsp;     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Recibido: 31 de    mayo de 2011.    <br>   Aprobado 20 noviembre de 2011.</font>     <p>&nbsp;</p>     <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2">    ]]></body>
<body><![CDATA[<br>   Dra. Leopoldina de F&aacute;tima Dantas de Almeida. Universidade Federal da    Para&iacute;ba, Brasil. Correo electr&oacute;nico: <a href="mailto:leopoldinalmeida@hotmail.com">leopoldinalmeida@hotmail.com    </a></font></p>     <p></p>      ]]></body><back>
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