Combining GC-MS/MS with a LLE-SPE sample pretreatment step to simultaneously analyse enrofloxacin and ofloxacin residues in chicken tissues and pork
文献类型： 外文期刊
作者： Pang, Maoda 1 ; Xu, Junjie 2 ; Tang, Yayun 2 ; Guo, Yawen 2 ; Ding, Hao 2 ; Wang, Ran 1 ; Zhang, Tao 2 ; Zhang, Genxi 2 ; Guo, Xiaodong 2 ; Dai, Guojun 2 ; Xie, Xing 3 ; Xie, Kaizhou 2 ;
作者机构： 1.Jiangsu Acad Agr Sci, Inst Food Safety & Nutr, Key Lab Control Technol & Stand Agriprod Safety &, Key Lab Food Qual & Safety Jiangsu Prov,State Key, Nanjing 210014, Jiangsu, Peoples R China
2.Yangzhou Univ, Coll Anim Sci & Technol, Joint Int Res Lab Agr & Agriprod Safety, Yangzhou 225009, Peoples R China
3.Acad Agr Sci, Inst Vet Med, Key Lab Vet Bioprod Engn, Minist Agr & Rural Affairs, Nanjing 210014, Jiangsu, Peoples R China
4.GuoTai Taizhou Ctr Technol Innovat Vet Biol, Taizhou 225300, Peoples R China
关键词： Chicken tissues; Pork; Enrofloxacin; Ofloxacin; GC-MS/MS
期刊名称：FOOD CHEMISTRY （ 影响因子：8.5； 五年影响因子：8.2 ）
ISSN： 0308-8146
年卷期： 2024 年 456 卷
页码：
收录情况： SCI
摘要： A widely applicable original gas chromatography-tandem mass spectrometry (GC-MS/MS) method was explored to qualitatively and quantitatively measure enrofloxacin and ofloxacin residues in chicken tissues and pork. The experimental samples were processed based on liquid-liquid extraction (LLE) and solid-phase extraction (SPE). Trimethylsilyl diazomethane (TMSD) was chosen to react derivatively with enrofloxacin and ofloxacin. In total, 78.25% - 90.56% enrofloxacin and 78.43% - 91.86% ofloxacin was recovered from the blank fortified samples. The limits of detection (LODs) were 0.7-1.0 mu g/kg and 0.1-0.2 mu g/kg, respectively. The limits of quantitation (LOQs) were 1.6-1.9 mu g/kg and 0.3-0.4 mu g/kg, respectively. It was verified that various experimental data met the requirements of the FAO & WHO (2014) for the detection of veterinary drug residues. Real samples obtained from local markets were analysed using the established method, and no residues of enrofloxacin or ofloxacin were detected in the samples.
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