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| Determination of Tetracyclines Residues in Pork by High Performance Liquid Chromatography-Tandem Mass Spectrometry with Modified QuEChERS Sample Pretreatment |
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| DOI： |
| KeyWord:EMR-lipid QuEChERS tetracyclines residue detection high performance liquid chromatography-tandem mass spectrometry(HPLC-MS/MS) |
| Author | Institution |
| WANG Fei*,MI Jie-bo,LI Shu-jing,CHEN Qi-yong,WU Hua |
1.天津出入境检验检疫局动植物与食品检测中心;2.安捷伦科技有限公司 |
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| Abstract: |
| A modified QuEChERS sample pretreatment method was established for the determination of tetracycline residues in pork.The new method adopted a novel lipid-removal material(EMR-Lipid) in QuEChERS procedure,and provided fast and effective sample extraction and cleanup of high-fat sample such as pork.The LODs of the method were 5.0 μg/kg.The recoveries of tetracycline,chlortetracycline,doxycycline were in the range of 75.6%-89.4% and the recoveries of oxytetracycline were in the range of 53.4%-61.0%,with RSDs not more than 7.7%. |
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