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Food Chem. 2012 Dec 1;135(3):1873-93. doi: 10.1016/j.foodchem.2012.06.079. Epub 2012 Jun 29.

Human health risk of dietary intake of organochlorine pesticide residues in bovine meat and tissues from Veracruz, México.

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Faculty of Veterinary Medicine, Universidad Veracruzana, Veracruz, Mexico.


Tissue distribution patterns of organochlorine pesticides in bovine carcasses varied significantly among seasons, geographic locations and tissues. The highest concentrations of Σ-DDT during the dry season were detected in lungs from Paso de Ovejas (2,834.90μg/kg lipid) and, during the rainy season, Lindane and Σ-HCH in muscle and lung samples from Paso de Ovejas (995.80 and 1,690.10μg/kg lipid). Estimated daily intakes of γ-HCH and Σ-DDT (3.35 and 1.22μg/kg bw/day) through consumption of muscle tissues from Paso de Ovejas and Puente Nacional during the rainy season showed the highest contribution. During the rainy season the highest non-cancer Hazard Ratios estimated corresponded to γ-HCH (3.97) and Σ-DDT (4.39) detected in muscle samples from Puente Nacional. The highest Hazard Ratios of cancer risk to the 95th centile daily consumption through meat corresponded to p,p'-DDT from Alvarado (7.76E+06) and from Paso de Ovejas for γ-HCH (1.50E+05) during rainy season. The results indicate potential non- and carcinogenic risks to consumer health through meat consumption.

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