数字农科院2.0

Simultaneous determination of three fluorinated pesticides and a metabolite in various food processing matrices and chronic dietary risk assessments

文献类型： 外文期刊

作者： Tian Yang;Dandan Yun;Lin Li;Mengying Zhao;Jun Yan;Lin Yang;Zhiqiang Kong;Minmin Li

作者机构：

关键词： Fluorinated pesticides;Metabolite;Pesticide residues;Processing factors;Risk assessments

期刊名称： Food Chemistry

ISSN： 0308-8146

年卷期： 2025 年 496 卷

页码：

收录情况： SCIE（2025版） ; ; EI（2025版）

摘要： The growing use of fluorinated pesticides requires advanced techniques for complex food matrices and incomplete toxicology. A high-throughput QuEChERS-UPLC-MS/MS method was developed to simultaneously determine three fluorinated pesticides (cyflumetofen, sulfoxaflor, fluridone) and metabolite 2-(trifluoromethyl) benzamide (B-3) in grains, fruits, and vegetables. The method demonstrated enhanced sensitivity with LOD and LOQ of 2 and 6 μg/kg, and recoveries ranging from 60.1 % to 120.6 %, with RSDs <17.0 %. Nationwide monitoring revealed cyflumetofen residues in 45.2 % of apples (6.6–13.4 μg/kg) and 29.3 % of citrus (7.1–9.5 μg/kg), while sulfoxaflor (12.3 μg/kg) and cyflumetofen (6.8 μg/kg) were detected in wheat, all under China's MRLs. Chronic dietary risks were low (HQc < 1), although acute risks remain unclear due to missing ARfD data. Processing tests indicated that washing, peeling, and heating significantly reduced residues, with PF < 1 for cyflumetofen in apple juice. This study provides a reliable analytical framework and highlights food safety enhancement strategies.

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