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Residue behavior and dietary risk assessment of fluopyram in cowpea and determination in nine foodstuffs

文献类型： 外文期刊

作者： Ren, Saihao 1 ; Zhang, Yu 3 ; Zhang, Shanying 1 ; Lu, Hongwei 3 ; Liang, Xiaoyu 3 ; Wang, Lifeng 5 ; Wang, Meng 2 ; Zhang, Chenghui 1 ;

作者机构： 1.Hainan Univ, Coll Food Sci & Engn, Haikou, Peoples R China

2.Hainan Univ, Key Lab Trop Fruits & Vegetables Qual & Safety Sta, Haikou, Peoples R China

3.Hainan Univ, Hainan Yazhou Bay Seed Lab, Sanya Nanfan Res Inst, Sanya, Peoples R China

4.Hainan Univ, Coll plant protect, Haikou, Peoples R China

5.Chinese Acad Trop Agr Sci, Rubber Res Inst, Haikou, Hainan, Peoples R China

关键词： GC-MS/MS; fluopyram; adsorbent; QuEChERS; risk assessment

期刊名称：FRONTIERS IN ENVIRONMENTAL SCIENCE （ 影响因子：4.6； 五年影响因子：5.3 ）

ISSN：

年卷期： 2023 年 11 卷

页码：

收录情况： SCI

摘要： Pesticide residues have been one of the food safety problems that plague consumers. It is necessary to develop validated detection methods to monitor pesticide residues in food. In this study, fluopyram was analyzed in fruits (banana, grape, and citrus) and vegetables (tomato, cucumber, cowpea, pepper, eggplant, and potato) by optimizing the QuEChERS in combination with GC-MS/MS. The recoveries of fluopyram in all food matrices ranged from 87.02% to 101.42% with RSD below 9.25%. The matrix effect of fluopyram ranging from -1.41% to 17.67%. Finally, this market investigation resulted in a total of 19 positive samples out of 128 market samples, all of which fell below the MRL with the exception of one tomato sample, which was above the EU MRL. Field trial of fluopyram on cowpea was conducted, the half-lives of fluopyram was 3.03-3.95 days, terminal residues ranged from .031-.596 mg/kg. Dietary risk assessment was performed on cowpea. The result indicates that the dietary risk of fluopyram in cowpeas is acceptable. The method of detection developed in this study could enable better monitoring of fluopyram residues in foodstuffs.

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