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可视化LAMP检测常见肉制品中猪肉成分

Kai ZHU,Huaibin KANG,Deguo WANG

Food Science（2019）

Cited 3|Views2
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Abstract
根据GenBank中公布的猪线粒体色素细胞b基因序列设计6条特异性环介导等温扩增(loop-mediated isothermal amplification,LAMP)引物,通过简化线粒体DNA提取步骤,优化反应体系,以常见的牛、羊、鸡、鸭、马、驴肉为阴性对照验证该方法的特异性,掺假率梯度稀释以验证该LAMP法的最低检测限,建立常见肉制品中猪肉成分的可视化LAMP检测方法.结果表明:该方法提取目的基因操作简单、稳定,该可视化LAMP检测法以4-(2-吡啶偶氮)-间苯二酚钠盐为指示剂,能准确检测出常见肉类中猪肉是否掺杂,检测结果肉眼可见,灵敏度为10 pg/μL.
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