ELISA方法检测含油食品中氟喹诺酮类药物残留
Food Research and Development(2011)
Abstract
建立宠物食品及油炸食品中4种氟喹诺酮类药物(诺氟沙星、环丙沙星、达氟沙星、恩诺沙星)ELISA检测方法,采用氟喹诺酮类检测试剂盒,样品用乙腈-NaOH(84+16)溶液提取,再用二氯甲烷反提取目标物.并根据日常检测中积累的一些经验,对宠物食品及油炸食品中的杂质和脂类物质进行适当的去除,取得了满意的结果.检测波长450 nm,回收率平均为90.95%,相对标准偏差小于6.07%.该方法快速,操作简单,灵敏度高,特异性强,检测限可达0.03 mg/kg,能够满足欧盟及日本、美国等地区和国家氟喹诺酮类药物筛选检测的要求.
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Key words
deep-fried foods,detection limit,Quinolones,pets foods,ELISA
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