Determination and dietary exposure assessment of 79 pesticide residues in Chinese onion (Allium fistulosum L.)

文献类型： 外文期刊

第一作者： Chu, Nengming

作者： Chu, Nengming;Shu, Xiao;Meng, Xia;Zhang, Xuemei;Yang, Junying;Li, Biquan;Chu, Nengming;Shu, Xiao;Meng, Xia;Zhang, Xuemei;Yang, Junying;Li, Biquan

作者机构：

关键词： Pesticides residue; dietary exposure assessment; Chinese onion; liquid chromatography; gas chromatography; tandem mass spectrometry

期刊名称：CYTA-JOURNAL OF FOOD （ 影响因子：2.0； 五年影响因子：2.7 ）

ISSN： 1947-6337

年卷期： 2023 年 21 卷 1 期

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收录情况： SCI

摘要： Chinese onion is a common vegetable in daily diet, especially in Southwest China. We collected 184 samples from farm and market in Chongqing Municipality during 2020-2021 and established a multi-residue method for analysis of 79 pesticide residues on Chinese onion. Sixty-three of 184 samples were found pesticide resdues, accounting for 34.2%. A total of 31 pesticides were detected, and 6 pesticides in 11 samples have exceeded the Chinese MRLs, 5.98% of all samples. The chronic and acute dietary exposure assessment showed the %ADI and the %ARfD value were 0.005%-5.46% and 0.03%-297.95%, respectively. The %ARfD of most pesticides were acceptable except for cyhalothrin (297.95%, children; 140.17%, adults) and carbofuran (107.94%, children). The study indicated that pesticide residues on Chinese onion had different concentration levels which were low commonly. The establishment of MRLs for several pesticides (cyfluthrin, carbendazim, propamocarb) in Chinese onion is required for better estimation of dietary risk.

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