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
作者: Qian Wang;Haijin Liu;Shanshan Zhao;Mengjie Qie;Yang Bai;Jiukai Zhang;Jun Guo;Yan Zhao
作者机构:
关键词: Feeding pattern; Geographic origin; Goat; Mineral element; Sheep
期刊名称: Meat Sci.
ISSN: 0309-1740
年卷期: 2021 年 174 卷
页码:
收录情况: JCR(2021版) ; EI(2021版)
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. © 2020 Elsevier Ltd
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