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Determination of thiamphenicol, florfenicol and florfenicol amine residues in poultry meat and pork via ASE-UPLC-FLD

文献类型： 外文期刊

作者： Wang, Guotian 1 ; Wang, Bo 2 ; Zhao, Xia 3 ; Xie, Xing 5 ; Xie, Kaizhou 3 ; Wang, Xutang 3 ; Zhang, Genxi 3 ; Zhang, Tao; 1 ;

作者机构： 1.Yangzhou Univ, Lab & Equipment Management Off, Yangzhou 225009, Jiangsu, Peoples R China

2.Yangzhou Univ, Coll Vet Med, Yangzhou 225009, Jiangsu, Peoples R China

3.Yangzhou Univ, Joint Int Res Lab Agr & Agri Prod Safety, Yangzhou 225009, Jiangsu, Peoples R China

4.Yangzhou Univ, Coll Anim Sci & Technol, Yangzhou 225009, Jiangsu, Peoples R China

5.Minist Agr, Jiangsu Acad Agr Sci, Inst Vet Med, Key Lab Vet Biol Engn & Technol, Nanjing 210014, Peoples R China

关键词： Poultry meats and pork; Thiamphenicol; Florfenicol and florfenicol amine; ASE; UPLC-FLD; Residues

期刊名称：JOURNAL OF FOOD COMPOSITION AND ANALYSIS （ 影响因子：4.556； 五年影响因子：4.89 ）

ISSN： 0889-1575

年卷期： 2019 年 81 卷

页码：

收录情况： SCI

摘要： A method of accelerated solvent extraction coupled with ultra-performance liquid chromatography-fluorescence detection (ASE-UPLC-FLD) for the simultaneous detection of thiamphenicol, florfenicol and florfenicol amine residues in poultry meats (chicken muscle, duck muscle and goose muscle) and pork was developed and optimized. Samples were extracted with ASE using ethyl acetate:aqueous ammonia (98:2,V/V) as the extractant and purified with n-hexane saturated with ethyl acetate. Then, the samples were analyzed by UPLC-FLD. The excitation wavelength and emission wavelength of the fluorescence detector were 233 nm and 284 nm, respectively. The parameters of the optimized method were validated according to the requirements of the European Union and the Food and Drug Administration. The recoveries of the three analytes from poultry meats and pork at the limit of quantification (LOQ), 0.5 MRL (maximum residue limit), 1.0 MRL and 2.0 MRL were 80.80-98.35%, the relative standard deviations (RSDs) were less than 4.63%, and the intraday and interday RSDs were 2.22-5.54% and 2.42-6.08%, respectively. The limits of detection (LODs) and the LOQs were 1.0-4.2 mu g/kg and 3.0-11.4 mu g/kg, respectively. The new method was successfully applied for the quantitative determination of thiamphenicol, florfenicol and florfenicol amine residues in 40 poultry meat and pork samples from local supermarkets.

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