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[目的]调查长期接触有机磷农药的农民体内自由基的含量。[方法]随机抽取豫北农村地区长期接触有机磷农药的农民790人,分别检测其体内MDA、SOD、GSH-PX、LPO含量。[结果]接触有机磷农药10年以上的农民体内自由基含量明显增加,但增加量无年限差异。[结论]农民长期接触有机磷农药会引起体内自由基含量增加。
[Objective] To investigate the content of free radicals in peasants exposed to organophosphorus pesticide for a long time. [Method] A total of 790 peasants who were exposed to organophosphate pesticides in rural areas of northern Henan were randomly selected and their contents of MDA, SOD, GSH-PX and LPO were measured. [Result] The content of free radicals in peasants exposed to organophosphorus pesticides for more than 10 years increased significantly, but the increment was no difference in years. [Conclusion] Long-term exposure of peasants to organophosphorus pesticides would cause the increase of free radicals in the body.