Discrimination of mutton from different sources (regions, feeding patterns and species) by mineral elements in Inner Mongolia, China

文献类型： 外文期刊

第一作者： Wang, Qian

作者： Wang, Qian;Bai, Yang;Guo, Jun;Wang, Qian;Zhao, Shanshan;Qie, Mengjie;Bai, Yang;Zhao, Yan;Liu, Haijin;Zhang, Jiukai

作者机构：

关键词： Sheep; Goat; Mineral element; Geographic origin; Feeding pattern

期刊名称：MEAT SCIENCE （ 影响因子：5.209； 五年影响因子：5.305 ）

ISSN： 0309-1740

年卷期： 2021 年 174 卷

页码：

收录情况： SCI

摘要： The traceability of mineral element fingerprints to mutton in a small area of China was studied. The element data of 104 sheep and 24 goat samples from Inner Mongolia were measured, and the data were analyzed by multivariate statistical analysis from different origins, species and feeding patterns. The results shows that 11 elements (Mg, Al, K, Ca, Mn, Fe, Cu, Zn, Rb, Sr, Ba) in sheep meat had significant differences between different regions (P < 0.05), and the results of linear discriminant analysis (LDA) showed that the accuracy of the original classification rate was 95.2%, and the cross-validation rate was 85.9%. Goat meat and sheep meat samples from Alxa League were also clearly identified with LDA results showing that the cross-validation accuracy of the two species was 70.2%. Then the feeding patterns of sheep meat were effectively classified. The results showed that the multi-element analysis has certain potential as a method to distinguish mutton in a small area.

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