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首页> 外文会议>American Society for Mass Spectrometry Conference on Mass Spectrometry and Allied Topics >New Sample Preparation Method Improves Multi-Residue Screening of Veterinary Drugs in Meat and Milk and Ensures Food Safety
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New Sample Preparation Method Improves Multi-Residue Screening of Veterinary Drugs in Meat and Milk and Ensures Food Safety

机译：新的样品制备方法改善了肉类和牛奶中兽药的多残基筛选，并确保食品安全

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摘要

Method improvements made via lipid removal for screening veterinary drugs in meat and milk as per the Japan Positives list resulted in improved clean-up and recoveries. An additional filtration step by Captiva ND~(Lipids), specific for phospholipid removal, provides a complementary, simple, and cheap final step before analysis. The average improvement in recovery for milk, pork, and eel was between 20 and 23percent. The average improvement in recoveries for yellowtail was 50percent. Apparently, yellowtail has a higher lipid content which is efficiently and effectively removed after filtration. RSD values for all drugs screened varied from 3 -10percent (n velence 6). The new and improved method developed meets the 10 ppb detection limit requirement set by the Japanese Positive List.
机译：通过脂质去除脂质去除脂质去除肉类和牛奶中的脂质药物的方法改进，因为日本的阳性列表导致清理干净和回收。用于磷脂去除的Captiva Nd〜（脂质）的另外的过滤步骤，提供分析前的互补，简单，廉价的最后一步。牛奶，猪肉和鳗鱼的恢复的平均改善在20到23之间。黄土尾部回收率的平均改善为50％。显然，黄尾脂肪含有更高的脂质含量，过滤后有效且有效地除去。筛选所有药物的RSD值，从3 -10平方（n柔性6）不同。新的和改进的方法开发了日本肯定列表设定的10个PPB检测限要求。

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