Determination of Tilmicosin in Poultry and Pork Meat by a Quick, Easy, Cheap, Effective, Rugged and Safe (QuEChERS) Preparation Method and Gas Chromatography-Tandem Mass Spectrometry (GC-MS/MS)
文献类型： 外文期刊
作者： Guo, Yawen 1 ; Liu, Shuyu 1 ; Tang, Yayun 1 ; Zhu, Yali 1 ; Xie, Kaizhou 1 ; Xie, Xing 3 ;
作者机构： 1.Yangzhou Univ, Coll Anim Sci & Technol, Yangzhou 225009, Peoples R China
2.Yangzhou Univ, Joint Int Res Lab Agr & Agriprod Safety, Yangzhou, Peoples R China
3.Jiangsu Acad Agr Sci, Inst Vet Med, Key Lab Vet Biol Engn & Technol, Minist Agr, Nanjing, Peoples R China
4.Jiangsu Acad Agr Sci, Inst Vet Med, Minist Agr, Nanjing 210014, Peoples R China
关键词： Food safety; gas chromatography-tandem mass spectrometry (GC-MS/MS); poultry and pork meat; QuEChERS; tilmicosin
期刊名称：ANALYTICAL LETTERS （ 影响因子：2.0； 五年影响因子：1.8 ）
ISSN： 0003-2719
年卷期： 2024 年 57 卷 9 期
页码：
收录情况： SCI
摘要： This paper presents a novel and reliable approach for the determination of tilmicosin residues in poultry muscle and pork via gas chromatography-tandem mass spectrometry after precolumn derivatization. The samples were subjected to a quick, easy, cheap, effective, rugged, and safe preparation method, solid-phase extraction, hydrogenation, gel chromatography separation, acid hydrolysis, and derivatization with pyridine and acetic anhydride. For the blank spiked samples at the limit of quantification, 0.5 times the maximum residue limit (MRL), the MRL, and 2.0 times the MRL, the recoveries were from 76.91 to 87.99% with a precision of 2.04-5.47%. The limits of detection and quantification were 2.3-4.4 and 6.2-9.8 mu g kg-1, respectively. The protocol was validated and real samples analyzed to demonstrate its practical application.
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