数字农科院2.0

Dissipation and metabolism of fluxapyroxad, oxathiapiprolin and penthiopyrad in grapes: A comprehensive risk assessment from field to raisins

文献类型： 外文期刊

作者： Kai Cui;Liping Fang;Ruiyan Ding;Rui Ni;Jingyun Liang;Teng Li;Jian Wang;Junhua Liu;Shuai Guan;Zhan Dong;Xiaohu Wu;Yongquan Zheng

作者机构：

关键词： Dissipation;Grapes;Metabolism;New pesticides;Raisins;Risk assessment

期刊名称： Food Chemistry

ISSN： 0308-8146

年卷期： 2025 年 485 卷

页码：

收录情况： SCIE（2025版） ; ; EI（2025版）

摘要： Understanding the residue fate of new pesticides in crops is essential to ensure their safe use and to safeguard human health. The present study examined the dissipation, metabolism, processing factors (PFs) and risk assessment of fluxapyroxad, oxathiapiprolin and penthiopyrad in grapes from field to raisins. The half-lives of the three pesticides in grapes ranged from 9.00 to 12.60 days following first-order kinetics. PAM, a penthiopyrad metabolite, was detected in grapes at 28.10–51.37 μg/kg. Most pesticide residues were concentrated in raisins during sun, shade and oven drying of fresh grapes (PF range, 0.70–2.39, most >1). In contrast, peeling and washing removed different amounts of pesticide residues from grapes (PF range, 0.27–0.81). Results of chronic and acute dietary risk assessments suggest that dietary exposure to the selected pesticides from grapes does not pose a human health concern. This study offers reliable guidance for the rational use of these pesticides in grape plantations.

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