Insight into the mechanism on texture change of Wuchang bream muscle during live transportation using a UPLC-QTOF-MS based metabolomics method

文献类型： 外文期刊

第一作者： Peng, Ling

作者： Peng, Ling;You, Juan;Huang, Qilin;Xiong, Shanbai;Yin, Tao;Wang, Lan;Shi, Liu;Liao, Tao

作者机构：

关键词： Wuchang bream; Live transportation; Texture; Metabolomics; Cell structure; Ultrastructure

期刊名称：FOOD CHEMISTRY （ 影响因子：9.231； 五年影响因子：8.795 ）

ISSN： 0308-8146

年卷期： 2023 年 398 卷

页码：

收录情况： SCI

摘要： Mechanism on texture change of Wuchang bream (Megalobrama amblycephala) muscle during live transportation was explored by UPLC-QTOF-MS. The shear force (hardness) of fish muscle decreased gradually as the trans-portation time was extended from 3 to 24 h, with a maximum decrease of 43.49 %. With the extension of the time, the cellular and ultrastructure of fish muscle fiber were gradually disrupted. There was a significant dif-ference between metabolites of the samples after transporting for 6, 12, 24 h versus 3 h, with organic acids and their derivatives upregulated while nucleotide metabolites downregulated. The texture deterioration might be related to metabolism of amino acids, purine, histidine, and choline. The results showed that the deterioration of Wuchang bream texture during live transportation might be mainly related to the changes of the above metabolic pathways caused by oxidative stress, which resulting in the destruction of the muscle cells and fibers.

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