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Flammulina velutipes polysaccharide improves the water-holding capacity in the dorsal muscle of freeze-thawed cultured large yellow croaker (Larimichthys crocea)

文献类型： 外文期刊

作者： Zheng, Yao 1 ; Shi, Yuzhuo 1 ; Yang, Xu 1 ; Guo, Quanyou 1 ;

作者机构： 1.Minist Agr & Rural Affairs, Key Lab Ocean & Polar Fisheries, Beijing 200090, Peoples R China

2.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Shanghai 200090, Peoples R China

3.Univ Shanghai Sci & Technol, Sch Hlth Sci & Engn, Shanghai 200093, Peoples R China

关键词： Cultured large yellow croaker; Flammulina velutipes polysaccharide; Water-holding capacity; Dorsal muscle; Myofibrillar protein

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： 2023 年 403 卷

页码：

收录情况： SCI

摘要： To investigate the effect of Flammulina velutipes polysaccharide (FVP) on the water-holding capacity (WHC) in the dorsal muscle of freeze-thawed large yellow croaker, fresh fish were treated with FVP, commercial cryopro-tectant (CC), and distilled water before freezing. The water-holding capacity (WHC) and related influencing factors were analyzed. The results showed that FVP was able to effectively improve the WHC by reducing thawing loss and cooking loss, and the effect was similar to that of the CC group. Smaller and rounder ice crystals and less damaged muscle tissue were observed in FVPs. FVP also significantly retarded the protein denaturation revealed by Ca2+-ATPase activity, ultraviolet-visible absorption spectra, and SDS-PAGE of the myofibrillar protein. Furthermore, protein oxidation was inhibited by FVP treatment, as demonstrated by the sulfhydryl group and intrinsic fluorescence intensity. In summary, FVP can effectively improve the WHC by inhibiting the growth of ice crystals, protein denaturation, and potentially protein oxidation.

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