文献类型: 外文期刊
第一作者: Chen, Hongping
作者: Chen, Hongping;Hao, Zhenxia;Wang, Qinghua;Jiang, Ying;Pan, Rong;Wang, Chen;Liu, Xin;Lu, Chengyin;Chen, Hongping;Hao, Zhenxia;Wang, Qinghua;Jiang, Ying;Wang, Chen;Liu, Xin;Lu, Chengyin;Chen, Hongping;Hao, Zhenxia;Wang, Qinghua;Jiang, Ying;Wang, Chen;Liu, Xin;Lu, Chengyin;Pan, Rong
作者机构:
关键词: organophosphorus pesticides;tea;risk assessment;daily intake;hazard quotient
期刊名称:HUMAN AND ECOLOGICAL RISK ASSESSMENT ( 影响因子:5.19; 五年影响因子:3.742 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Tea is the second widely consumed beverage next to water. Tea drinking is one of the important pathways for human exposure of organonphosphorus pesticide. Consequently, incidence of organonphosphorus pesticide residues and risk assessment should be clear. In this study, the level of organonphosphorus pesticide residues in 810 Chinese teas manufactured between 2010-2013 was investigated using gas chromatography coupled with tandem mass spectrometry and a flame photometric detector. Incidence of organonphosphorus pesticide residues occurred with a frequency of 29% and the average concentration of 93g kg(-1). The residue levels varied from tea types, sale spots, and production area. Chlorpyrifos, isocarbophos, and triazophos were the only three organonphosphorus pesticides with detectable residues, and the detectable rates were 13.0%, 13.6%, and 17.4%, respectively. The corresponding average daily intake of chlorpyrifos, isocarbophos, and triazophos by tea drinking was 0.000083g kg(-1) bw day(-1), 0.0036g kg(-1) bw day(-1), and 0.0022g kg(-1) bw day(-1). These results showed that the total hazard quotient of organonphosphorus pesticide pesticides from tea drinking was less than 0.02 and that the tea-drinking originated organonphosphorus pesticide exposure had a little adverse health effect for human being.
分类号: Q1
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