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Characterization of the relationship between metabolites and elements of meat from four Tibetan sheep breeds through untargeted metabolomics and multi-element analysis

文献类型： 外文期刊

作者： Yang, Qingfeng 1 ; Wang, Su 2 ; Liu, Chongxin 2 ; Zhou, Yu 1 ; Li, Zhaomin 1 ; Cai, Wanlin 1 ; Cirenwangmu 1 ; Zheng, Xiaochun 2 ; Zhang, Dequan 2 ; Hou, Chengli 2 ; Zhu, Jie 1 ;

作者机构： 1.Xizang Acad Agr & Anim Husb Sci, Inst Food Sci & Technol, Lhasa 850030, Peoples R China

2.Chinese Acad Agr Sci, Inst Food Sci & Technol, Key Lab Agroprod Qual & Safety Control Storage & T, Minist Agr & Rural Affairs, Beijing 100193, Peoples R China

3.Chinese Acad Agr Sci, Key Lab Agroprod Qual & Safety, Inst Qual Stand & Testing Technol Agroprod, Beijing 100081, Peoples R China

关键词： Tibetan sheep breeds; Longissimus dorsi muscles; Metabolomics; Mineral elemental fingerprints; Correlation analysis

期刊名称：JOURNAL OF FOOD COMPOSITION AND ANALYSIS （ 影响因子：4.0； 五年影响因子：4.1 ）

ISSN： 0889-1575

年卷期： 2024 年 134 卷

页码：

收录情况： SCI

摘要： The relationship between metabolites and elements in longissimus dorsi muscles of Gangba, Huoerba, Duoma, and Sewa Tibetan sheep breeds is characterized by untargeted metabolomics and multi-element analysis. Ultra-highperformance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) was used to identify various metabolites including lipids, amino acids, and other functional compounds. The metabolomics analysis indicated that 828 metabolites were shared in all groups, with lipids and carnitines being the primary differential metabolites among the meat in the Gangba group and the others. Moreover, the multi-element analysis revealed that the proportion of 19 elements was different for each group, and the contents of Cu and Se in the Gangba and Huoerba groups were higher than that in the Duoma and Sewa groups. The correlation analysis indicated that Se, As, and Cr contents exhibited a great relation with lipids and carnitines, implying the trace elements existing in sheep meat might regulate their metabolism. This work provides a novel insight into the quality characteristics of Tibetan sheep meat and contributes to understanding the links between metabolites and trace elements, inspiring the establishment of a method to predict mineral element levels by metabolites and the development of functional Tibetan sheep meat products.

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