文献类型： 外文期刊
作者： Quan, Rui 1 ; Li, Minmin 1 ; Liu, Yongguo 3 ; Jin, Nuo 1 ; Zhang, Jia 1 ; Li, Ruixing 1 ; Wang, Fengzhong 1 ; Wang, Zhido 1 ;
作者机构： 1.Chinese Acad Agr Sci, Minist Agr & Rural Affairs, Key Lab Agroprod Qual & Safety Control Storage &, Inst Food Sci & Technol, Beijing 100193, Peoples R China
2.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China
3.BTBU, Beijing Key Lab Flavor Chem, Beijing 100048, Peoples R China
4.Univ Liege, Gembloux AgroBio Tech, Funct & Evolutionary Entomol, Passage Deportes 2, B-5030 Gembloux, Belgium
关键词： Chiral cyflumetofen; Apple processing; UPC2-MS/MS; Processing factors; Enantioselective behavior
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： 2020 年 321 卷
页码：
收录情况： SCI
摘要： The effect of food processing on the level and fate of chiral pesticide residues in apple products has rarely been investigated. In this study, we used ultra-performance convergence chromatography coupled with triple quadrupole mass spectrometry to determine the content of the novel chiral acaricide cyflumetofen. The matrix-matched calibration lines were constructed for apple slices, juice, wine and vinegar, and the determination coefficients (r(2)) exceeded 0.9954. Acceptable average recoveries were within 81.1% to 119.9%, and the relative standard deviations (RSDs) ranged from 0.8% to 11.0%. Processing effectiveness is represented by the processing factor (PF). The results indicated that the PFs of different procedures (washing, peeling, enzymolysis, fermentation, among others.) were generally less than 1. The reduction of cyflumetofen enantiomers during fermentation was in accordance with first-order kinetics, and stereoselective behavior was observed. This study provides reliable references for the risk assessment of cyflumetofen in the processing of apple products.
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