Stable isotope analysis of cattle tail hair: A potential tool for verifying the geographical origin of beef

文献类型： 外文期刊

第一作者： Liu, Xiaoling

作者： Liu, Xiaoling;Guo, Boli;Wei, Yimin;Liu, Xiaoling;Shi, Junling;Sun, Shumin

作者机构：

关键词： carbon;nitrogen;hydrogen;IRMS;traceability database

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Stable isotope ratios of cattle tail hair were investigated for their potential to classify beef from different regions in China. The δ~(13)C, δ~(15)N and δ~2 H values in 167 cattle tail hair samples from 7 sampling subregions belonging to four beef production regions were measured by IRMS. Variance analysis and linear discriminant analysis (LDA) were employed for this purpose. The results showed that significant differences existed in δ~(13)C, δ~(15)N and δ~2 H values of tail hair among different sampling regions. An overall correct classification rate of 82.6% and cross-validation rate of 79.6% were obtained for the four beef production regions based on δ~(13)C, δ~(15)N and δ~2 H values, compared to 70.7% and 70.1% for the seven sampling subregions. These results demonstrated the potential usefulness of stable isotope analysis of cattle tail hair for establishing beef traceability database.

分类号： TS2

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