Study on the Enantioselective Separation, Dissipation, and Residue of Chiral Fenpropathrin in Vegetables by Supercritical Fluid Chromatography-Tandem Mass Spectrometry (SFC-MS/MS)
文献类型： 外文期刊
作者： Wang, Linnan 1 ; Wang, Xinquan 2 ; Liu, Hongyu 1 ; Wang, Zhiwei 2 ; Qi, Peipei 2 ; Zhao, Huiyu 2 ; Liu, Zhenzhen 2 ; Gu, Chengbo 1 ; Di, Shanshan 2 ;
作者机构： 1.Northeast Forestry Univ, Engn Res Ctr Forest Biopreparat, Coll Chem Chem Engn & Resource Utilizat, Key Lab Forest Plant Ecol,Minist Educ,Heilongjiang, Harbin 150040, Peoples R China
2.Zhejiang Acad Agr Sci, Inst Agroprod Safety & Nutr, State Key Lab Managing Biot & Chem Threats Qual &, key Lab Detect Pesticide Residues & Control Zhejia, Hangzhou 310021, Peoples R China
3.Agr Minist Key Lab Pesticide Residue Detect, Hangzhou 310021, Peoples R China
关键词： chiral fenpropathrin; SFC-MS/MS; vegetables; enantioselective dissipation; riskassessment
期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：6.2； 五年影响因子：6.4 ）
ISSN： 0021-8561
年卷期： 2024 年 72 卷 49 期
页码：
收录情况： SCI
摘要： Chiral fenpropathrin is a widely used pyrethroid insecticide. A fast supercritical fluid chromatography-tandem mass spectrometry (SFC-MS/MS) method was developed for the enantioselective study of fenpropathrin in five kinds of vegetables. The enantioseparation could be completed in 2 min, and the recoveries were 75.5-107.7% with RSDs of <= 15.2%. The dissipation half-lives of R-fenpropathrin and S-fenpropathrin were 2.32-3.62 days and 1.89-3.56 days, respectively. The dissipation of fenpropathrin was the fastest in cucumbers and the slowest in celery cabbage. R-Fenpropathrin was preferentially dissipated in celery and cucumber, which was opposite in lettuce and pakchoi. The final residues of rac-fenpropathrin in celery cabbage, pakchoi, and lettuce were a little above the European Union's maximum residue limits (MRLs) but less than the China's MRLs. The acute and chronic dietary intake risks of rac-fenpropathrin for all age groups were acceptable. The results would provide a basis for the rational application and risk assessment of fenpropathrin.
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