<?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>0253-570X</journal-id>
<journal-title><![CDATA[Revista de Salud Animal]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Salud Anim.]]></abbrev-journal-title>
<issn>0253-570X</issn>
<publisher>
<publisher-name><![CDATA[Centro Nacional de Sanidad Agropecuaria]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0253-570X2023000100013</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación de hidrocarburos aromáticos policíclicos (HAPs) en leche orgánica de Tuxpan, Veracruz, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Assessment of polycyclic aromatic hydrocarbons (PAHs) in organic milk from Tuxpan, Veracruz, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez Tolentino]]></surname>
<given-names><![CDATA[Rey]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Schettino Bermúdez]]></surname>
<given-names><![CDATA[Beatriz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escobar Medina]]></surname>
<given-names><![CDATA[Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Radilla Vazquez]]></surname>
<given-names><![CDATA[Claudia Cecilia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Velázquez]]></surname>
<given-names><![CDATA[Viviana Avizai]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arriaga]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez González]]></surname>
<given-names><![CDATA[José Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Metropolitana Departamento de Producción Agrícola y Animal Unidad, Xochimilco]]></institution>
<addr-line><![CDATA[Coyoacán D. F.]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro Nacional de Sanidad Agropecuaria Unidad de Química Analítica ]]></institution>
<addr-line><![CDATA[San José de las Lajas Mayabeque]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma Metropolitana Departamento de Atención a la Salud Unidad, Xochimilco]]></institution>
<addr-line><![CDATA[Coyoacán D.F.]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma Metropolitana  Unidad Xochimilco]]></institution>
<addr-line><![CDATA[Coyoacán D.F.]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Autónoma del Estado de México Instituto de Ciencias Agropecuarias y Rurales ]]></institution>
<addr-line><![CDATA[ Toluca]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>45</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0253-570X2023000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0253-570X2023000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0253-570X2023000100013&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La región de Tuxpan se caracteriza por una fuerte actividad petrolífera y la producción de alimentos ecológicos. Las actividades petroleras son fuente emisora de hidrocarburos aromáticos policíclicos (HAPs) a la atmósfera y estos contaminan los suelos y los pastos de las granjas por deposición atmosférica. El objetivo de este estudio fue determinar el contenido de hidrocarburos aromáticos policíclicos (HAPs) en leche cruda procedente de dos unidades de producción ecológica. Los análisis se realizaron mediante cromatografía de gases con detección por ionización de flama, de acuerdo con la metodología de la US EPA. Se detectó la presencia de HAPs en leche, donde la mediana de los mismos osciló entre 0.08-0.86 µg/kg de leche fresca (lf). Los compuestos fluoranteno (FLT), benzo(a)antraceno (BaA), benzo(k)fluoranteno (BkF) y benzo(a)pireno (BaP) presentaron una frecuencia de aparición por encima del 90%, existiendo un predominio de los HAPs de 4-6 anillos. No existió diferencia significativa (p&lt;0.05) en el valor de la mediana del BaP y la suma de los 4HAPs (BaA, BaP, benzo(b)fluoranteno (BbF) y criseno (CHR)) en la leche de las dos granjas cercanas a la termoeléctrica y planta bombeadora de petróleo. El valor de la mediana del BaP se encontró por debajo de la normativa de la Unión Europea (1 µg/kg). Sin embargo, la suma de la mediana de los 4 HAPs presentaron valores de 1.58 µg/kg lf (granja A) y 1.99 µg/kg lf (granja B) por encima del valor permitido. Los resultados corroboraron que las producciones ecológicas también son susceptibles a la contaminación de HAPs. Este hallazgo alerta a los organismos reguladores la necesidad de establecer programas de monitoreos de estos contaminantes en leche orgánica con destino al consumo humano.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Tuxpan region is characterized by strong oil activity and organic food production. Oil activities are a source of polycyclic aromatic hydrocarbons (PAHs) emitted into the atmosphere, contaminating soils and farm pastures through atmospheric deposition.This study was aimed at determining the content of polycyclic aromatic hydrocarbons (PAHs) in raw milk from two organic production units. Analyses were carried out by gas chromatography with flame ionization detection, according to US EPA methodology. The presence of PAHs was detected in fresh milk, where mean concentrations of PAH ranged from 0.08-0.86 µg/kg of fresh milk (fm)..Fluoranthene (FLT), benzo(a)anthracene (BaA), benzo(k)fluoranthene (BkF) and benzo(a)pyrene (BaP) compounds presented a frequency of occurrence above 90 %, prevailing 4-6 ring PAHs. There was no significant difference (p&lt;0.05) in the mean concentration of BaP and the sum of the 4 PAHs (BaA, BaP, benzo(b)fluoranthene (BbF) and chrysene (CHR)) in the milk from the two farms near the thermoelectric plant and the oil drilling plant. The mean concentration of BaP was below the EU regulation (1 µg/kg). However, the sum of the mean concentrations of the 4 PAHs presented values of 1.58 µg/kg fresh milk (fm) (farm A) and 1.99 µg/kg fm (farm B) above the permitted value.The results corroborated that organic productions are also susceptible to PAH contamination. This finding alerts regulatory agencies the need to establish monitoring programs for these contaminants in organic milk intended for human consumption.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Hidrocarburos aromáticos policíclicos (HAPs)]]></kwd>
<kwd lng="es"><![CDATA[leche orgánica]]></kwd>
<kwd lng="es"><![CDATA[inocuidad]]></kwd>
<kwd lng="es"><![CDATA[cromatografía de gases]]></kwd>
<kwd lng="en"><![CDATA[Polycyclic aromatic hydrocarbons (PAHs)]]></kwd>
<kwd lng="en"><![CDATA[organic milk]]></kwd>
<kwd lng="en"><![CDATA[food safety]]></kwd>
<kwd lng="en"><![CDATA[gas chromatography]]></kwd>
</kwd-group>
</article-meta>
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