数字农科院2.0

Dissipation behavior and risk assessment of imidacloprid and its metabolites in apple from field to products

文献类型： 外文期刊

作者： Fajun Tian;Junfeng Lu;Chengkui Qiao;Caixia Wang;Tao Pang;Linlin Guo;Jun Li;Rongli Pang;Hanzhong Xie

作者机构：

关键词： Dissipation behavior;Imidacloprid;Metabolites;Processing factor;Risk assessment;Storage

期刊名称： Chemosphere

ISSN： 0045-6535

年卷期： 2024 年 359 卷

页码：

收录情况： SCIE（2024版） ; ; EI（2024版）

摘要： Pesticides play vital roles in controlling pests and boosting crop yields. Imidacloprid is widely used all over the world and may form in agricultural products. The presence of pesticide residues in apples raises serious health concerns. Understanding the residual fate of imidacloprid is critical for food safety and human health. In this study, the dissipation behavior, metabolism, household processing and risk assessment of imidacloprid and its metabolites in apple were investigated from filed to products. Field experiment results suggested that the half-lives of imidacloprid at 5 times the recommended dosage was 1.5 times that of the standard dosage. And the final residues of imidacloprid were less than the established maximum residue limits (MRLs). Clarification and simmering had little effect on the reduction the residues of imidacloprid and its metabolites. The calculated processing factors were lower than 1 for imidacloprid and its metabolites, implying that the residual ratios of imidacloprid and its metabolites in each steps of the food processing were reduced. The risk quotients were <1 for all Chinese people, indicating that acceptable risks associated with dietary exposure to imidacloprid in apple. However, the higher risks were observed in young people than adults, and females faced higher risks than males. Given high residue levels in pomace, imidacloprid and its metabolites should be further studied in commercial byproducts.

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