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 ORIGINAL ARTICLE
Year : 2009  |  Volume : 13  |  Issue : 3  |  Page : 131-134

A study on oxidative stress and antioxidant status of agricultural workers exposed to organophosphorus insecticides during spraying


1 Department of Indian Institute of Toxicology Research, Lucknow, India
2 Department of Biochemistry, Acharya Nagarajuna University, Guntur, AP, India

Correspondence Address:
S K Rastogi
Indian Institute of Toxicology Research, Post Box No. 80, Mahatma Gandhi Marg, Lucknow - 226 001
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5278.58916

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Oxidative stress status and Acetylcholinesterase (AChE) activity were studied in blood samples obtained from 61 agricultural workers engaged in spraying organophosphorus (OP) insecticides in the mango plantation, with a minimum work history of one year, in the age range of 12-55 years. Controls were age-matched, unexposed workers, who never had any exposure to OP pesticides. They were evaluated for oxidative stress markers MDA (end product of lipid peroxidation), reduced glutathione (GSH), and Acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) levels in blood. The results showed a marked inhibition of the AChE and BChE activities in the sprayers as compared to the controls. The malondialdehyde(MDA), the last product of lipid peroxidation was found to be increased significantly in sprayers(p<0.05), while depletion in the concentration of antioxidant glutathione(GSH) was also observed in the sprayers but the difference was statistically not significant. It was concluded on the basis of biochemical analysis that pesticides sprayers are exposed to more oxidative stress as evidenced by the changes in antioxidant status. The measurement of the AChE and BChE activities in agricultural workers who spray OPs could be a good biomonitoring factor and is recommended to be performed on a regular basis.






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