Simultaneous determination of florfenicol, its metabolite and three fluoroquinolone residues in poultry muscles via high-performance liquid chromatography with fluorescence detection
文献类型： 外文期刊
第一作者： Hong, Lu
作者： Hong, Lu;Guo, Yawen;Xu, Junjie;Xie, Kaizhou;Hong, Lu;Guo, Yawen;Gao, Pengfei;Ding, Hao;Xu, Junjie;Xie, Kaizhou;Liu, Yun;Gao, Pengfei;Ding, Hao;Xie, Xing
作者机构：
关键词： Poultry muscles; Florfenicol; Fluoroquinolones; LLE; HPLC-FLD
期刊名称：MICROCHEMICAL JOURNAL （ 影响因子：5.1； 五年影响因子：4.7 ）
ISSN： 0026-265X
年卷期： 2024 年 207 卷
页码：
收录情况： SCI
摘要： A high-performance liquid chromatography with fluorescence detection (HPLC-FLD) procedure was developed and refined to detect florfenicol (FF), its metabolite florfenicol amine (FFA), and three fluoroquinolone (FQ) residues present in poultry muscles concurrently. Sample pretreatment was conducted through liquid-liquid extraction (LLE). Ethylenediaminetetraacetic acid (EDTA), 90 % acetonitrile and acetonitrile were used as extraction solvents. The stationary phase employed was an XBridge BEH C18 column (5 mu m, 4.6 mm x 150 mm), and the mobile phase consisted of a 0.01 mol/L solution of sodium dihydrogen phosphate and acetonitrile (65:35, V/V); the former contained 0.005 mol/L sodium dodecyl sulfate and 0.1 % triethylamine (pH adjusted to 4.8 with phosphoric acid). The limits of detection (LODs) and limits of quantification (LOQs) were 0.03-1.5 mu g/ kg and 0.1-5.0 mu g/kg, respectively. The linear relationships were satisfactory within the corresponding concentration ranges, with determination coefficients (R-2) >= 0.9997. The mean recoveries ranged from 70.34 to 94.98 %, and the intraday relative standard deviations (RSDs) and interday RSDs were 1.46-6.24 % and 1.60-7.31 %, respectively. This verified method is applicable and reliable for analyzing actual samples.
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