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Asian Journal of Applied Sciences

Year: 2009 | Volume: 2 | Issue: 5 | Page No.: 456-463
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Authors

A. Alle

A. Dembelle

B. Yao

G. Ado

Keywords

Research Article

Distribution of Organochlorine Pesticides in Human Breast Milk and Adipose Tissue from Two Locations in Côte d’Ivoire

A. Alle, A. Dembelle, B. Yao and G. Ado
The levels of organochlorine residues in 40 samples of milk and 20 human adipose tissues from two locations in the northern of Côte d’Ivoire were determined. A system of Gas Chromatography with an Electron Capture Detector (CG-ECD) was used for the qualitative and quantitative analysis of the samples. This study revealed in general that the level of pesticides in samples of adipose tissue was higher than that in samples of milk from any source (city or rural). Indeed, while the average of 2,2-bis(p-chlorophenyl)-1,1,1-trichloroethane (DDT), predominant specie and its isomers in adipose tissue was 10.02 mg kg-1 in countryside and 6.93 mg kg-1 in the city, it was respectively 0.013 and 0.019 mg kg-1 in milk. Qualitatively, the pesticide residues detected in milk samples were Lindane, hexachlorohexane and its isomers, DDT and its metabolites, heptachlor, heptachlorepoxide, aldrin, endrin, dieldrin and endosulfan α and β. Adipose tissue samples revealed the presence of polychlorinated biphenyl (PCB), Hexachlorobiphenyl (HCB) in addition to pesticides which are found in the milk Average concentrations of organochlorine pesticides in milk matrix were above the Maximum Residue Limits (MRL) of WHO. Regarding adipose tissue, this trend was also observed, except for DDT and its metabolites whose values were far below the MRL.
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