An optimization study on determination of fluoroquinolones residues in chicken muscle by high performance liquid chromatography
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    Abstract:

    【Objective】A method for rapid determination of five fluoroquinolones (norfloxacin,ciprofloxacin,danofloxacin,enrofloxacin,sarafloxacin) residues in chicken muscle using high performance liquid chromatography (HPLC) was established.【Method】The extracting solution of the chicken samples included a mixture of acetonitrile and trichloroacetic acid(the mass fraction of 2%). HPLC mobile phase consisted of acetonitrile and phosphate buffer (0.02 mol·L-1) with triethy lamine. Fluorometric excitation wavelength was 280 nm, and emission wavelength was 450 nm. 【Result and conclusion】The recoveries of 5 fluoroquinolones were 84.71%-99.66% at three spiked level(low, medium, high), and the relative standard deviations (RSD) were 0.20%-4.34%.The limit of quantiation (LOQ) of norfloxacin, ciprofloxacin and enrofloxacin was 10 μg·kg-1. The LOQ of danofloxacin was 2 μg·kg-1, and the sarafloxacin was 20 μg·kg-1. The method is simple, practical, and sensitive. It can meet the needs of determination of fluoroquinolones in chicken muscle.

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LI Weicheng, JI Changyun, ZHANG Jingjie, CHENG Hankui, DENG Chao, ZHONG Jialian, DENG Xianbai, SHEN Xiangguang. An optimization study on determination of fluoroquinolones residues in chicken muscle by high performance liquid chromatography[J]. Journal of South China Agricultural University,2014,35(5):14-18

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History
  • Received:February 21,2013
  • Revised:
  • Adopted:
  • Online: July 29,2014
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