title: Organochlorine pesticides and polychlorinated biphenyls levels in human milk from Chelem, Yucatán, México.
abstract: Organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs) in human milk from Chelem, Yucatan, Mexico were analyzed. Relatively high levels of p,p'-DDE, gamma-chlordane, beta-hexacyclohexane (beta-HCH) and PCB congeners 170, 28, and 44 were found. Concentration profiles by OCP groups followed the next order: SigmaDDTs > SigmaChlordanes > SigmaHCHs > SigmaChlorobenzenes > SigmaDrins. Total OCPs showed a decreasing tendency with number of births (primipara and multipara and age ranks) but these differences were not significant. SigmaDDT levels were lower than in other studies in Mexico, but 36% of the samples exceeded the JMPR-FAO/WHO acceptable daily intake (ADI). About 60.53% of samples exceeded the ADI value for heptachlors.
authors.affiliation: CINVESTAV Unidad Mérida, Km 6 Antigua Carretera a Progreso, Merida, Yucatan, CP, Mexico.
authors.forename: Juan Pablo
authors.initials: JP
authors.lastname: Rodas-Ortíz
authors.forename: Victor
authors.initials: V
authors.lastname: Ceja-Moreno
authors.forename: R L
authors.initials: RL
authors.lastname: González-Navarrete
authors.forename: Jorge
authors.initials: J
authors.lastname: Alvarado-Mejía
authors.forename: Marissa E
authors.initials: ME
authors.lastname: Rodríguez-Hernández
authors.forename: Gerardo
authors.initials: G
authors.lastname: Gold-Bouchot
mesh_terms: D003634:DDT / Q000032:analysis; D003633:Dichlorodiphenyl Dichloroethylene / Q000032:analysis; D006801:Humans; D006843:Hydrocarbons, Chlorinated / Q000032:analysis*; D008895:Milk, Human / Q000737:chemistry*; D010575:Pesticides / Q000032:analysis*; D011078:Polychlorinated Biphenyls / Q000032:analysis*
chemical_list: D006843:Hydrocarbons, Chlorinated; D010575:Pesticides; D003633:Dichlorodiphenyl Dichloroethylene; D003634:DDT; D011078:Polychlorinated Biphenyls