Residue degradation and metabolism of dinotefuran and cyromazine in Agrocybe aegerita: A risk assessment from cultivation to dietary exposure
文献类型: 外文期刊
第一作者: Yao, Qinghua
作者: Yao, Qinghua;Xu, Hui;Zeng, Shaoxiao;Yao, Qinghua;Su, Deseng;Huang, Minmin;Zheng, Yunyun;Chen, Meizhen;Lin, Qiu;Yao, Qinghua;Su, Deseng;Huang, Minmin;Zheng, Yunyun;Chen, Meizhen;Lin, Qiu;Zeng, Shaoxiao
作者机构:
关键词: Agrocybe aegerita; Pesticide residue; Metabolites; Dissipation behavior; Processing; Risk assessment
期刊名称:JOURNAL OF FOOD COMPOSITION AND ANALYSIS ( 影响因子:4.3; 五年影响因子:4.6 )
ISSN: 0889-1575
年卷期: 2024 年 127 卷
页码:
收录情况: SCI
摘要: Sensitive, simple and quick methods for determination of dinotefuran, cyromazine, and the metabolites 1methyl-3-(tetrahydro-3-furylmethyl) guanidine (DN), 1-methyl-3-(tetrahydro-3-furylmethyl) urea (UF), and melamine in Agrocybe aegerita were established and validated by ultra -performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS). The dissipation and residues of these compounds in A. aegerita were investigated. The field results showed that dinotefuran and cyromazine dissipated rapidly with half-lives ranging from 24.9 h to 38.5 h. The terminal residues of total dinotefuran (the sum of dinotefuran and its metabolites), cyromazine, and melamine in fresh mushroom samples collected with sampling intervals of 3 d to 6 d ranged from 0.089 to 0.652 mg/kg, 0.593 to 2.054 mg/kg, and 0.002 to 0.005 mg/kg, respectively. During the drying processes of A. aegerita, the processing factors of dinotefuran, cyromazine, DN, UF, and melamine were 0.028, 0.012, 0.301, 0.002, and 0.001, respectively. Given that cyromazine and dinotefuran are not registered for use on A. aegerita, dietary risk was assessed. Based on a consumption survey, risk quotient (RQ) values significantly below 1 implied that the risk of A. aegerita consumption was acceptable, although the risk for children was relatively higher. The findings could provide valuable guidance for the appropriate use of these insecticides in A. aegerita cultivation and serve as a scientific reference for setting corresponding maximum residue limits (MRL) in China.
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