Multi-residue analytical method development and risk assessment of 56 pesticides and their metabolites in tea by chromatography tandem mass spectroscopy
文献类型： 外文期刊
作者： Wu, Yangliu 1 ; An, Quanshun 1 ; Li, Dong 1 ; Kang, Lu 1 ; Zhou, Chunran 1 ; Zhang, Jingbang 1 ; Pan, Canping 1 ;
作者机构： 1.China Agr Univ, Coll Sci, Innovat Ctr Pesticide Res, Dept Appl Chem, Beijing 100193, Peoples R China
2.Xinjiang Acad Agr Sci, Inst Agr Qual Stand & Testing Technol, Urumqi 830091, Peoples R China
关键词： Pesticide; Metabolite; Residue; Tea; Risk assessment
期刊名称：FOOD CHEMISTRY （ 影响因子：9.231； 五年影响因子：8.795 ）
ISSN： 0308-8146
年卷期： 2022 年 375 卷
页码：
收录情况： SCI
摘要： A modified QuEChERS method coupled to chromatography tandem mass spectroscopy was established and used to identify 56 pesticides and 21 metabolites residues in tea samples. The average recoveries for the target compounds ranged from 71% to 109% with RSDs of 1-17%. Pesticides and metabolites residues in 248 tea samples from China were investigated by the developed method, and the dietary intake risk for consumers was estimated. The results showed that 36 pesticides and 14 metabolites were detected with concentrations of 0.0050-7.7 mg/kg. There are unlikely to present a public health concern for Chinese consumers. The acute risk of pesticides would be exaggerated when calculated by the residue level in tea instead of tea infusion. The unauthorized and banned pesticide contributed to the chronic and acute hazard index by 68% and 36%, respectively. The cumulative risk of residual pesticides and their metabolites on human health deserve further attention.
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