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食品研究与开发:2017,38(22):158-162
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动物性食品中替米考星酶联免疫检测方法的研究
万宇平1,2,韩深3,吴小胜1,2,刘萤3,孔祥雅1,2,桑旭升1,2,邬良贤4,彭鸽1,2
(1.北京勤邦生物技术有限公司,北京102206;2.北京市食品安全免疫快速检测工程技术研究中心,北京102206;3.北京出入境检验检疫局检验检疫技术中心,北京100026;4.福建省龙岩市农产品质量安全检验检测中心,福建龙岩364000)
Detecting Tilmicosin in Animal Product Using Enzyme Linked Immunosorbent Assay
WAN Yu-ping1,2,HAN Shen3,WU Xiao-sheng1,2,LIU Ying3,KONG Xiang-ya1,2,SANG Xu-sheng1,2,WU Liang-xian4,PENG Ge1,2
(1.Beijing Kwinbon Biotechnology Company,Beijing 102206,China;2.Beijing Engineering Research Centre of Food Safety Immunodetection,Beijing 102206,China;3.Inspection and Quarantine Technical Center of Beijing Entry-Exit Inspection and Quarantine Bureau,Beijing 102206,China;4.Longyan Quality Inspection of Agriculture Products Monitoring Center,Longyan 364000,Fujian,China)
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投稿时间:2017-04-15    
中文摘要: 通过对替米考星分子结构进行改造,制备替米考星半抗原及人工抗原,通过免疫动物得到替米考星的单克隆抗体。该抗体灵敏度为0.5 μg/L,对泰乐菌素的交叉反应率小于1%。基于该抗体建立了替米考星间接竞争酶联免疫检测方法检测动物组织、肝脏、蜂蜜、鸡蛋、牛奶的检测限分别为0.5、10、1、5、5μg/kg,添加水平回收率为70%~110%,变异系数小于15%。
Abstract:Artificial hapten and immunogens were synthesized,after which monoclonal antibodies against tilmicosin was raised.The sensitivity of the antibody was 0.5 μg/L,and it cross-reaction rate of tylosin was less than 1%.An indirect competitive enzyme immunoassay based on the antibody for the quantitative analysis of tilmicosin was described.The results showed that the limit of detection was 0.5 μg/kg in animal tissue,10 μg/kg in liver,1 μg/kg in honey and 5 μg/kg in eggs,and milk.The average recovery rate of 70%-110%,and the coefficients of variation of less than 15%.
文章编号:201722032     中图分类号:    文献标志码:
基金项目:北京市科技计划课题(Z151100002115059)
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