Simultaneous determination of five tetracycline and macrolide antibiotics in feeds using HPCE
文献类型： 外文期刊
作者： Tong, Jing 1 ; Rao, Qinxiong 2 ; Zhu, Kui 1 ; Jiang, Zhigang 1 ; Ding, Shuangyang 1 ;
作者机构： 1.China Agr Univ, Coll Vet Med, Dept Pharmacol & Toxicol, Beijing 100094, Peoples R China
2.Shanghai Acad Agr Sci, Inst Agrofood Stand & Testing, Shanghai, Peoples R China
关键词： Animal feeds;HPCE;Macrolide antibiotics;Tetracycline antibiotics
期刊名称：JOURNAL OF SEPARATION SCIENCE （ 影响因子：3.645； 五年影响因子：2.943 ）
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收录情况： SCI
摘要： This work demonstrates the potential of HPCE in the analysis of antibiotics in a complex matrix such as feedstuffs. Using 20 mM citric acid-40 mM Na2HPO4 buffer (pH 2.65), the five antibiotics, tetracycline, oxytetracycline, doxycycline, tilmicosin, and tylosin were successfully separated at 30 kV in a 64.5 cm x 75 pm. id capillary. Good repeatability, stability, and reliability of the method were supported by < 10% CV with mean recoveries of > 70%, and the limit of detection of the five analytes was 0.5-1 mg/kg. It was for the first time that a capillary electrophoretic method was employed to simultaneously detect five tetracycline and macrolide antibiotics in animal feeds.
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