Organochlorine and organophosphorus pesticide residues in breast milk from Bhopal,Madhya Pradesh,India

Abstract

HCH isomers, endosulfan, malathion, chlorpyrifos, and methyl-parathion were monitored in human milk samples from Bhopal, Madhya Pradesh. The endosulfan concentrations were highest and exceeded the S-HCH, chlorpyrifos, and malathion concentrations by 3.5-, 1.5-, and 8.4-fold, respectively. Through breast milk, infants consumed 8.6 times more endosulfan and 4.1 times more malathion than the average daily intake levels recommended by the World Health Organization. A correlation analysis (r values) between mothers' age and the content of the chemicals accumulated in breast milk indicated a substantial degree of correlation for malathion (r–0.5). The other chemicals showed low to negligible correlation with donor age.

Keywords

ADI bioconcentration correlation coefficients human milk organochlorine and organophosphorous pesticides

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