文献类型： 外文期刊
作者： Zhao, Jie 1 ; Xu, Zhenzhen 1 ; You, Xinyong 1 ; Zhao, Yan 1 ; He, Wenjing 1 ; Zhao, Luyao 1 ; Chen, Ailiang 1 ; Yang, Shu 1 ;
作者机构： 1.Minist Agr China, Key Lab Agrifood Safety & Qual, Inst Qual Standard & Testing Technol Agroprod, Beijing 100081, Peoples R China
2.Chinese Acad Agr Sci, Key Lab Agroprod Qual & Safety, Beijing 100081, Peoples R China
3.Beijing Acad Agr & Forestry Sci, Beijing Res Ctr Agr Stand & Testing, Beijing 100097, Peoples R China
关键词： Genetic traceability practice; SNP markers; Meat traceability; Chinese enterprise
期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）
ISSN： 0308-8146
年卷期： 2019 年 277 卷
页码：
收录情况： SCI
摘要： An effective and trustworthy traceability system is important for food safety and quality; however, traditional traceability systems that only rely on the recording method do not completely prevent food fraud. DNA-based traceability techniques facilitate seamless connectivity within the entire food supply chain. A convenient and low-cost ear tag device was invented for collecting animal blood samples as an identity control, and a panel including 12 single nucleotide polymorphic (SNP) loci was selected to distinguish individuals with a matching probability of 1.70 x 10(-5). The exact animal individual was identified by comparing the SNP genotype barcodes between the meat and blood samples derived from the recording system to further validate authenticity of the recording system. These results illustrate that a combination of the genetic traceability method and a traditional recording system can provide trustworthy traceability for consumers.
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