食品科学 ›› 2007, Vol. 28 ›› Issue (10): 430-432.

• 分析检测 • 上一篇    下一篇

液相色谱-荧光检测法同时测定肠衣中八种磺胺类兽药残留

 高文惠, 王凤池, 吕红英, 罗敏, 胡静   

  1. 河北科技大学生物科学与工程学院; 河北出入境检验检疫局; 河北科技大学生物科学与工程学院 河北石家庄050018; 河北石家庄050071; 河北石家庄050018;
  • 出版日期:2007-10-15 发布日期:2011-11-22

Simultaneous Determination of Eight Kinds of Sulfonamide Residues in Casing by Liquid Chromatography- fluorescence

 GAO  Wen-Hui, WANG  Feng-Chi, 吕Hong-Ying , LUO  Min, HU  Jing   

  1. 1.College of Biological Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China; 2. Hebei Entry and Exit Inspection-Quarantine Bureau, Shijiazhuang 050071, China
  • Online:2007-10-15 Published:2011-11-22

摘要: 建立了一种专属性强的高效液相色谱—同时测定肠衣中八种磺胺类药物残留(磺胺嘧啶、磺胺间甲氧嘧啶、磺胺甲基嘧啶、磺胺对甲氧嘧啶、磺胺喹恶啉、磺胺甲基异恶唑、磺胺甲氧嗪和磺胺二甲嘧啶)的检测方法。采用1%乙酸/乙腈对肠衣中的磺胺类药物残留进行提取,用正己烷净化,净化后的样品,经荧光胺衍生,供液相色谱仪测定。实验结果表明,八种磺胺药物在2.00~5.00×102ng/ml浓度范围内,具有良好的线性关系,线性相关系数在0.9982~0.9997,添加浓度为5~50ng/ml时,回收率在63.7%~87.8%之间,该方法的最低检测限为5ng/ml,完全可以达到日常检测要求。

关键词: 磺胺药物, 肠衣, 高效液相色谱, 荧光检测器

Abstract: A method was developed for the determination of eight kinds of sulfonamide residues (sausagessulfadiazine, sulfamonomethoxine,sulfamethoxazole, sulfamerazine, sulfamethoxydiazine, sulfaquinoxaline, sulfamethoxypyridazine and sulfadimidine)in casing by liquid chromatography-fluorescence. The sulfonamide residues in casing were extracted with 1% acetic acid /acetonitrile and cleaned up by n-hexane and derived with fluorescamine for LC analysis. Results showed that the calibration curve had good linear in the ranges of 2.00×102~5.00×102 ng/ml, and the correlation coefficients were 0.9982~0.9997 for 8 sulfonamides, respectively. The recovery of the method was 63.7%~87.8% at 5~50 ng/ml addition concentration, and the detection limit was 5 ng/ml.

Key words: sulfonamide, casing, high performance liquid chromatography, fluorescence detector