Metabolomic profile of muscles from tilapia cultured in recirculating aquaculture systems and traditional aquaculture in ponds and protein stability during freeze-thaw cycles

文献类型： 外文期刊

第一作者： Gao, Ruichang

作者： Gao, Ruichang;Liu, Lu;Monto, Abdul Razak;Su, Kai;Zhang, Hao;Shi, Tong;Xiong, Zhiyu;Bao, Yulong;Yuan, Li;Xu, Gangchun;Luo, Yongju

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关键词： Protein oxidation; Protein denaturation; Metabolomics; Aquaculture mode; Freeze-thaw

期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）

ISSN： 0308-8146

年卷期： 2024 年 451 卷

页码：

收录情况： SCI

摘要： Muscle protein stability during freeze -thaw (F -T) cycles was investigated with tilapia cultured in recirculating aquaculture systems (RAS) and traditional aquaculture in ponds (TAP). This study found that fatty acids (eg., palmitic acid) were enriched in TAP, while antioxidants (eg., glutathione) were enriched in RAS. Generally, proteins in the RAS group exhibited greater stability against denaturation during the F -T cycle, suggested by a less decrease in haem protein content (77% in RAS and 86% in TAP) and a less increase in surface hydrophobicity of sarcoplasmic protein (63% in RAS and 101% in TAP). There was no significant difference in oxidative stability of myofibrillar protein between the two groups. This study provides a theoretical guide for the quality control of tilapia cultured in RAS during frozen storage.

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