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鉴定羊肉中掺杂猪肉的LAMP检测方法的优化及应用 被引量:2

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摘要 为了优化羊肉中掺杂猪肉的环介导等温扩增(LAMP)检测方法,并应用于市售羊肉制品是否掺杂猪肉成分的鉴定,在前期已建立LAMP检测方法的基础上,试验对LAMP反应温度和反应体系进行了优化。结果表明:三磷酸脱氧核苷酸(d NTPs)浓度为1.2 mmol/L,Mg SO4浓度为4.0 mmol/L,甜菜碱浓度为0.8 mol/L,反应温度为72℃,反应时间为55 min,LAMP反应扩增效率最高,荧光最强。采用优化后的反应体系对猪、鸭、鸡、鱼、鼠、羊、马、狐狸、牛9种不同动物来源肉品进行了特异性检测,该方法可以从9种不同动物来源肉品中特异性鉴别猪肉成分。用优化的LAMP检测方法进行市售羊肉卷和羊肉串中猪肉成分的检测,经计算,猪肉成分的检出率为66.7%,而且LAMP与PCR方法的检测结果一致性为100%。
作者 张英
出处 《黑龙江畜牧兽医》 CAS 北大核心 2018年第9期222-224,254,共4页 Heilongjiang Animal Science And veterinary Medicine
基金 吉林大学实验技术项目(409020720155) 吉林大学本科教学改革项目(2015QNYB077)
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