Effects of hypoxia on meat qualities and muscle metabolism in rainbow trout (Oncorhynchus mykiss) during short-time transportation and its relief by reoxygenation
文献类型： 外文期刊
作者： Wu, Yiwen 1 ; Zhao, Manman 1 ; Xiong, Guangquan 1 ; Sun, Weiqing 2 ; Wu, Wenjin 1 ; Ding, Anzi 1 ; Chen, Sheng 1 ; Wang, Lan 1 ; Shi, Liu 1 ;
作者机构： 1.Hubei Acad Agr Sci, Inst Agroprod Proc & Nucl Agr Technol, Key Lab Agr Prod Cold Chain Logist, Minist Agr & Rural Affairs, Wuhan 430064, Peoples R China
2.Yangtze Univ, Coll Life Sci, Jingzhou 434023, Peoples R China
关键词： Hypoxia; Reoxygenation; Rainbow trout fillets; Quality; Metabolomics
期刊名称：AQUACULTURE （ 影响因子：4.5； 五年影响因子：4.6 ）
ISSN： 0044-8486
年卷期： 2023 年 570 卷
页码：
收录情况： SCI
摘要： For rainbow trout, hypoxia usually occurs during transportation and leads to deterioration of meat qualities. Hence, the study aimed to investigate the impacts of hypoxia during short-time transportation on the muscle quality of rainbow trout and its relief attempt by reoxygenation. In comparison with the sample without hypoxia (CG), the fillets from sever hypoxic trout (SHG) exhibited lower shearing force (SF), a*, saturated fatty acid content and delicious amino acids, and higher expressible moisture, Metmyoglobin (MetMb) and essential amino acids content. After subjected to reoxygenation for 24 h, the muscle qualities of trout recovered to the level of CG, except for expressible moisture and tissue structure. Metabolomic analyses indicated that hypoxia led to the up-regulation of succinate, xanthine, adenine and down-regulation of 15(S)-HETE ((15S,5Z,8Z,11Z,13E)-15-Hydroxyeicosatetraenoic acid). And the reoxygenation promoted glycine and serine biosynthesis, thiamine and cysteine metabolism and inhibited succinate accumulation, thus relieved the hypoxia. This work suggested that reoxygenation for 24 h was an effective action to relief the quality deterioration of rainbow trout fillets induced by hypoxia.
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