Enantioselection behaviors and risk assessments of chiral pesticide ethiprole and its chiral metabolite ethiprole amide in five kinds of vegetables
文献类型： 外文期刊
作者： Qu, Wenbo 1 ; Wang, Xinquan 2 ; Zhao, Huiyu 2 ; Liu, Zhenzhen 2 ; Wang, Zhiwei 2 ; Qi, Peipei 2 ; Ding, Wei 1 ; Di, Shanshan 2 ;
作者机构： 1.Northeast Agr Univ, Coll Plant Protect, Harbin 150030, 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： Ethiprole enantiomers; Ethiprole amide; Ethiprole sulfone amide; nantioselectivity; Vegetables
期刊名称：FOOD CHEMISTRY （ 影响因子：9.8； 五年影响因子：9.7 ）
ISSN： 0308-8146
年卷期： 2025 年 473 卷
页码：
收录情况： SCI
摘要： Ethiprole is a second-generation phenylpyrazole insecticide used in agricultural production as an alternative to fipronil due to its lower toxicity to bees. Ethiprole amide is chiral metabolite of ethiprole, but information regarding its formation and degradation in vegetables is limited. Here, the absolute configuration of ethiprole amide enantiomer was determined through circular dichroism, and the behaviors of chiral ethiprole and its metabolites in five kinds of vegetables were studied through field experiments. In these test vegetables, ethiprole amide concentrations were higher than ethiprole sulfone amide, with the maximum concentration found in celery. S-ethiprole was preferentially degraded in pakchoi and Chinese cabbage, and R-ethiprole amide concentration exceeded S-ethiprole amide. This assessment of enantiomer-specific behavior is crucial, considering that humans may be exposed to high residual levels of a specific enantiomer. Enantioselectivity should be taken into account when evaluating the risks associated with chiral pesticides and their metabolites.
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