噻虫啉
噻虫嗪
金银花
酿造
新烟碱
播种
粳稻
化学
毒理
降级(电信)
杀虫剂
园艺
食品科学
植物
农学
益达胺
生物
发酵
病理
中医药
替代医学
电信
医学
计算机科学
作者
Qingkui Fang,Yanhong Shi,Haiqun Cao,Zhou Tong,Jinjing Xiao,Min Liao,Xiangwei Wu,Rimao Hua
标识
DOI:10.1021/acs.jafc.6b04658
摘要
The degradation dynamics and dietary risk assessments of thiamethoxam and thiacloprid during Lonicera japonica planting, drying, and tea brewing processes were systematically investigated using high-performance liquid chromatography. The half-lives of thiamethoxam and thiacloprid were 1.0-4.1 d in the honeysuckle flowers and leaves, with degradation rate constants k ranging from -0.169 to -0.696. The safety interval time was 7 d. The sun- and oven-drying (70 °C) percent digestions were 59.4-81.0% for the residues, which were higher than the shade- and oven-drying percentages at lower temperatures (30, 40, 50, and 60 °C, which ranged from 37.7% to 57.0%). The percent transfers of thiamethoxam and thiacloprid were 0-48.4% and 0-25.2%, respectively, for the different tea brewing conditions. On the basis of the results of this study, abiding by the safety interval time is important, and using reasonable drying methods and tea brewing conditions can reduce the transfer of thiamethoxam and thiacloprid to humans.
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