<?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>0188-4999</journal-id>
<journal-title><![CDATA[Revista internacional de contaminación ambiental]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Int. Contam. Ambient]]></abbrev-journal-title>
<issn>0188-4999</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Ciencias de la Atmósfera y Cambio Climático]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-49992018000200225</article-id>
<article-id pub-id-type="doi">10.20937/rica.2018.34.02.04</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[ANÁLISIS REGIONAL DE LA CONTAMINACIÓN POR PLAGUICIDAS ORGANOCLORADOS EN LECHE HUMANA EN GUERRERO, MÉXICO]]></article-title>
<article-title xml:lang="en"><![CDATA[REGIONAL ANALYSIS OF ORGANOCHLORINE PESTICIDES CONTAMINATION IN HUMAN MILK IN GUERRERO, MEXICO]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chávez-Almazán]]></surname>
<given-names><![CDATA[Luis Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-Ortiz]]></surname>
<given-names><![CDATA[Jesús A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Saldarriaga-Noreña]]></surname>
<given-names><![CDATA[Hugo A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dávila-Vázquez]]></surname>
<given-names><![CDATA[Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santiago-Moreno]]></surname>
<given-names><![CDATA[Agustín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosas-Acevedo]]></surname>
<given-names><![CDATA[José L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sampedro-Rosas]]></surname>
<given-names><![CDATA[María L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Silva]]></surname>
<given-names><![CDATA[Saúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Waliszewski]]></surname>
<given-names><![CDATA[Stefan M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Secretaría de Salud de Guerrero Banco de Sangre Regional Zona Centro ]]></institution>
<addr-line><![CDATA[Chilpancingo Guerrero]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Secretaría de Salud de Guerrero Laboratorio Estatal de Salud Pública ]]></institution>
<addr-line><![CDATA[Acapulco Guerrero]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma del Estado de Morelos Centro de Investigaciones Químicas ]]></institution>
<addr-line><![CDATA[Cuernavaca Morelos]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A.C.  ]]></institution>
<addr-line><![CDATA[Guadalajara Jalisco]]></addr-line>
<country>México</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Autónoma de Guerrero Facultad de Matemáticas ]]></institution>
<addr-line><![CDATA[Acapulco Guerrero]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad Autónoma de Guerrero Centro de Ciencias de Desarrollo Regional ]]></institution>
<addr-line><![CDATA[Acapulco Guerrero]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Universidad Autónoma de Guerrero Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Acapulco Guerrero]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,Universidad Veracruzana Instituto de Medicina Forense ]]></institution>
<addr-line><![CDATA[Boca del Río Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<volume>34</volume>
<numero>2</numero>
<fpage>225</fpage>
<lpage>235</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992018000200225&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992018000200225&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992018000200225&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Durante el siglo XX en México se aplicaron plaguicidas organoclorados intensivamente para combatir diversas problemáticas. La Campaña Nacional para la Erradicación del Paludismo implicó el uso de diclorodifeniltricloroetano (DDT), y además se utilizaron hexaclorobenceno (HCB) y &#947;-hexaclorociclohexano (Lindano) para la protección de semillas y cultivos agrícolas, causando una elevada exposición de la población. Por tal motivo, en este estudio se evaluó la magnitud y distribución de la contaminación por plaguicidas organoclorados en Guerrero, México, mediante el análisis de leche materna. Se recolectaron 171 muestras de madres donadoras voluntarias de las siete regiones del estado, en localidades urbanas y rurales. El análisis químico se realizó por cromatografía de gases. Las concentraciones medianas de DDT total fueron de 0.833 mg/kg, mientras que el HCB y &#946;-hexaclorociclohexano (&#946;-HCH) presentaron valores de 0.009 a 0.004 mg/kg, respectivamente. Asimismo, se realizaron comparaciones para las concentraciones de los compuestos entre regiones. En el caso del DDT total se observaron diferencias estadísticamente significativas (p &lt; 0.05), siendo la Costa Chica (0.961 mg/kg) y la Tierra Caliente (1.098 mg/kg) las que mayores concentraciones presentaron. Por su parte, la Costa Grande tuvo las concentraciones de &#946;-HCH más elevadas de todo el estado (0.018 mg/kg). Las mujeres de zonas rurales presentaron niveles superiores de todos los plaguicidas (con excepción del &#946;-HCH) que las de localidades urbanas. La información generada puede ser útil en el diseño de estudios que expliquen el papel de estos contaminantes en la salud de la población de esta región de México, y para el establecimiento de políticas públicas y programas de prevención y control.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT During the 20th century in Mexico, organochlorine pesticides were applied intensively to combat various problems. The National Campaign for Malaria Eradication implied the intensive use of the pesticide dichlorodiphenyltrichloroethane (DDT). On the other hand, hexachlorobenzene and &#947;-hexachlorocyclohexane (Lindane) were used for protection of seeds and agricultural crops, causing a prolonged exposure of population. For this reason, this study evaluated the magnitude and distribution of contamination by these organochlorine pesticides in the state of Guerrero, Mexico, through the analysis of breast milk. From both urban and rural locations, 171 samples of volunteer donor mothers were collected in the seven regions of the State . The chemical analysis was performed by gas chromatography. Median concentrations of total DDT were 0.833 mg/kg in lipid base, while hexachlorobenzene (HCB) and &#946;-hexachlorocyclohexane (&#946;-HCH) presented 0.009 and 0.004 mg/kg, respectively. Comparisons for concentrations of the compounds between regions were made likewise. There were statistically significant differences in total DDT concentrations (p &lt; 0.05), with higher levels in the Costa Chica (0.961 mg/kg) and Tierra Caliente (1.087 mg/kg). Meanwhile, the Costa Grande presented the highest concentration of &#946;-HCH throughout the state (0.018 mg/kg). Women from rural areas had higher levels of all pesticides (with the exception of &#946;-HCH) than those living in urban locations. The information generated may be useful to the design of studies that explain the role of these pollutants in the health of the population of this region of Mexico, and for the establishment of public policies and prevention and control programs.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[contaminantes orgánicos persistentes]]></kwd>
<kwd lng="es"><![CDATA[exposición humana]]></kwd>
<kwd lng="es"><![CDATA[lactancia materna]]></kwd>
<kwd lng="en"><![CDATA[persistent organic pollutants]]></kwd>
<kwd lng="en"><![CDATA[human exposure]]></kwd>
<kwd lng="en"><![CDATA[breastfeeding]]></kwd>
</kwd-group>
</article-meta>
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