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The dissipation behavior, household processing factor and risk assessment for cyenopyrafen residues in strawberry and mandarin fruits

文献类型： 外文期刊

作者： Li, Yanjie 1 ; Xu, Jiabin 1 ; Zhao, Xueping 1 ; He, Hongmei 1 ; Zhang, Changpeng 1 ; Zhang, Zhiheng 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Inst Agroprod Safety & Nutr, Minist Agr & Rural Affairs, Key Lab Pesticide Residue Detect, Hangzhou 310021, Peoples R China

关键词： Cyenopyrafen; Processing factor; Dissipation behavior; Risk assessment; Strawberry; Mandarin

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN： 0308-8146

年卷期： 2021 年 359 卷

页码：

收录情况： SCI

摘要： A modified QuEChERS method for determining cyenopyrafen in strawberries, mandarins and their processed products was established with a good linearity (R2 0.9981), accuracy (recoveries of 83% to 111%) and precision (relative standard deviations of 0.9% to 14%). The limit of quantification (LOQ) was 0.01 mg/kg. Field results showed that the half-lives of cyenopyrafen were 6.8 and 11.8 d in strawberry and mandarin respectively, and that the final residues were within established maximum residue limits (MRLs). The household processing factors (PFs) for cyenopyrafen residues in strawberry and mandarin fruits were also studied: residues increased in strawberry jam (PF 1.51) and mandarin juice (1.31) but decreased in strawberries (0.58) and mandarin pulp (<0.17) after washing and peeling, respectively. A risk assessment showed that the risk from long-term dietary exposures to cyenopyrafen was 73.73%, indicating that consuming these products was unlikely to present a public health concern.

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