Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2014 Vol: 6 Issue: 6

Monitoring of organochlorine pesticide residues in mango(Mangifera indica), papaya (Carica papaya) and bottle gourd (Lagenaria siceraria) by gas chromatography


Residual levels of organochlorine pesticides (OCPs) were determined in two fruits (mango and papaya) and one vegetable (bottle gourd) purchased from local market. Ninteen organochlorine pesticides including isomers of benzene hexachloride or BHC (α-BHC, β-BHC, γ-BHC and δ-BHC), heptachlor, heptachlor epoxide, aldrin, γ- chlordane, endosulfan+α-chlordane, dieldrin+p,p’-DDE, endrin, endrin aldehyde, endrin ketone, endosulfan II, endosulfan sulphate, p,p’-DDT, p,p’-DDD, methoxychlor and decachlorobiphenyl (DCBP) were monitored by using Gas Chromatography coupled with Electron Capture Detector (ECD). Mango and papaya fruits were found contaminated with heptachlor, endrin aldehyde, endosulfan sulphate, endrin ketone and methoxychlor while β-BHC, δ-BHC, heptachlor, dieldrin+p,p’-DDE, p,p’-DDT and endrin ketone were found in bottle gourd. The concentration of the detected pesticides were below the maximum residue limit (MRL) values but continuous consumption of such fruits and vegetable even with moderate contamination level can accumulate in the body and may prove fatal for human in the long term

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