文献类型: 外文期刊
第一作者: Liu, Xingang
作者: Liu, Xingang;Dong, Fengshou;Xu, Jun;Li, Yuanbo;Zheng, Yongquan;Gu, Xiaojun;Kong, Zhiqiang
作者机构:
关键词: button crimini;UPLC-MS/MS;GC;pesticides;canning
期刊名称:FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT ( 影响因子:3.057; 五年影响因子:2.96 )
ISSN: 1944-0049
年卷期: 2014 年 31 卷 6 期
页码:
收录情况: SCI
摘要: The effect of home canning (including washing, boiling, cooling, adding solution and sterilisation) on residue levels of imidacloprid, diflubenzuron, abamectin, pyriproxyfen and beta-cypermethrin and chlorothalonilin on button crimini was assessed. Residues of imidacloprid, diflubenzuron, abamectin and pyriproxyfen were measured by UPLC-MS/MS; the residues of beta-cypermethrin and chlorothalonil were measured by GC. Results showed that washing resulted in a 3.8% reduction of the initial residue level of imidacloprid (p <= 0.05). From washing to sterilisation the processing effect was significant compared with raw crimini (p <= 0.05), but processing through cooling and adding solution had no effect. For diflubenzuron, from raw crimini to sterilisation the processing effect was significant by comparison with the initial level (p <= 0.05); the processing effect was not obvious between two sequential steps, and the sequential steps have list: washing and boiling, boiling and cooling, boiling and adding of solution, cooling and adding solution. The changes in abamectin levels were also significant from raw crimini to sterilisation compared with raw crimini (p <= 0.05), but the changes were not obvious from boiling to adding solution and amongst them. For pyriproxyfen, washing resulted in a 39% reduction, but changes were not obvious from washing to sterilisation, p <= 0.05 between two consecutive steps. The whole procedure could significantly decrease residues of beta-cypermethrin (p <= 0.05); washing could significantly reduce residues of beta-cypermethrin; the effects of last procedures were complicated, and p <= 0.05 between two consecutive steps. Washing resulted in an 80% reduction of chlorothalonil; after washing there were no detectable residues. After the whole process, the processing factors for imidacloprid, diflubenzuron, abamectin, pyriproxyfen, beta-cypermethrin and chlorothalonil were 0.40, 0.22, 0.04, 0.85, 0.28 and 0, respectively.
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