文献类型： 外文期刊
第一作者： Guo, Mingming
作者： Guo, Mingming;Sun, Hezhi;Wang, Xinru;Yu, Jiawei;Luo, Fengjian;Zhang, Xinzhong;Yang, Mei;Li, Zhaoqun;Chen, Zongmao;Zhou, Li;Guo, Mingming;Yu, Jiawei
作者机构：
关键词： Afidopyropen; Tea; Residue; Processing; Infusion
期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）
ISSN： 0308-8146
年卷期： 2023 年 404 卷
页码：
收录情况： SCI
摘要： Afidopyropen, a novel insecticide, is highly effective against piercing insects such as the tea leafhopper. The residual levels of afidopyropen and M440I007 in tea cultivation, processing, and brewing were studied. During tea cultivation, afidopyropen dissipated faster in fresh tea shoots in the rainy season (T1/2 of 1.2-2.5 d) than that in the dry season (T1/2 of 3.1-4.4 d); afidopyropen was metabolized into M440I007, the level of which peaked in 1 d, and degraded rapidly (over 90 %) afterward 3 d. The green tea processing steps had little effect on decreasing the afidopyropen residue (PF of 0.90-1.18). Low infusion rates of afidopyropen (16.7 %-17.7 %) and M440I007 (4.1 %-6.2 %) were observed from dry green tea to infusion; furthermore, the risk of ingesting afi-dopyropen from drinking tea was low, with the risk quotient values < 0.0001. This study can offer guidance on the rational application of afidopyropen in tea plants.
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