Enantioselective Behaviors and Risk Assessments of Chiral Pesticide Mefentrifluconazole in Four Types of Fruits and Vegetables
文献类型： 外文期刊
作者： Zhang, Yuxuan 1 ; Di, Shanshan 2 ; Zhao, Huiyu 2 ; Qi, Peipei 2 ; Liu, Zhenzhen 2 ; Wang, Zhiwei 2 ; Wang, Xinquan 2 ;
作者机构： 1.Zhejiang Agr & Forestry Univ, Coll Food & Hlth, Hangzhou 311300, Peoples R China
2.Zhejiang Acad Agr Sci, Inst Agroprod Safety & Nutr, State Key Lab Agr Prod Safety, 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 mefentrifluconazole; absolute configuration; enantioselective dissipation; risk assessment; rational use
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： 2025 年 73 卷 12 期
页码：
收录情况： SCI
摘要： Mefentrifluconazole was the first novel isopropyl alcohol triazole fungicide. Existing research indicated that R-mefentrifluconazole had high activity and low toxicity, presenting potential for monocase application, while limited data existed on its enantioselective dissipation in crops. Here, after confirming the absolute configuration, the enantioselective dissipation and risk assessments of chiral mefentrifluconazole in soybeans, peanuts, tomatoes, grapes, and soil were conducted. The preferential dissipation of R-mefentrifluconazole was verified in soybean plants, soybeans, peanut plants, tomatoes, and grapes. The preferential dissipation of S-mefentrifluconazole was verified in the peanut shells and soil. The stereoisomeric excess variations of mefentrifluconazole in soybean plants, soybean, peanut plants, and peanut shells exceeded 10%, and the enantiomer toxicity and behavior differences should be considered in risk assessments. The dietary risks of acute (0.020-1.250%) and chronic (0.054-18.328%) of mefentrifluconazole in these crops were acceptable. R-Mefentrifluconazole might be recommended for use as a monocase product.
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