食品科学 ›› 2009, Vol. 30 ›› Issue (10): 209-211.doi: 10.7506/spkx1002-6630-200910047

• 分析检测 • 上一篇    下一篇

鸡肉组织中氯羟吡啶残留超高效液相色谱检测方法研究

闫小峰,孙志文*   

  1. 北京市兽药监察所
  • 收稿日期:2008-07-23 修回日期:2008-10-13 出版日期:2009-05-15 发布日期:2010-12-29
  • 通讯作者: 孙志文 E-mail:sunzw673@163.com

Determination of Clopidol Residue in Chicken by Ultra Performance Liquid Chromatography

YAN Xiao-feng,SUN Zhi-wen*   

  1. (Beijing Institute of Veterinary Drug Control, Beijing 100107, China)
  • Received:2008-07-23 Revised:2008-10-13 Online:2009-05-15 Published:2010-12-29
  • Contact: SUN Zhi-wen* E-mail:sunzw673@163.com

摘要:

对鸡肉组织中氯羟吡啶残留高效液相色谱方法进行了研究,建立了鸡肉组织中氯羟吡啶残留超高效液相色谱检测方法。取鸡肉样品,用乙腈提取,正己烷脱脂,过氧化铝B 柱,用20ml 甲醇洗脱,减压蒸干,残留物用甲醇溶解,紫外检测器在267nm 波长下测定,流动相为乙腈:水(10:90,V/V)。氯羟吡啶浓度在10~1000μg/L 范围内,呈良好的线性,相关系数> 0.999,在10、50、100μg/kg 三个添加水平,平均回收率60.5%~94.6%,日内变异系数在4.2%~10.2%之间,日间变异系数在6.6%~12.7%之间,方法检测限为5μg/kg,定量限为15μg/kg。

关键词: 氯羟吡啶, 超高效液相色谱, 鸡肉, 残留

Abstract:

An ultra performance liquid chromatography (UPLC) method for determination of clopidol in chicken was developed. The clopidol residue in chicken was extracted by acetonitrile, defatted by n-hexane, purified by alumina B cartridges, analyzed by HPLC with UV detector at 267 nm and acetonitrile-water (10:90, V/V) solvent as mobile phase, and quantified by using external standard calibration curve. The results showed that there was a nice linear relationship (r > 0.999) when clopidol concentration was in the range of 10 to 1000 μg/L. The average recoveries at three addition levels (10, 50 and 100 μg/kg) were 60.5% to 94.6%. The within-day and inter-day variation coefficients were between 4.2% and 10.2% and between 6.6% and 12.7%, respectively. The limit of detection was 5 μg/kg, and the limit of quantification was 15 μg/kg.

Key words: clopidol, ultra performance liquid chromatography (UPLC), chicken, residue

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