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Characteristics and potential application of myofibrillar protein from golden threadfin bream (Nemipterus virgatus) complexed with chitosan

文献类型： 外文期刊

作者： Ren, Zhongyang 1 ; Huang, Xianglan 1 ; Shi, Linfan 1 ; Liu, Shuji 3 ; Yang, Shen 1 ; Hao, Gengxin 1 ; Qiu, Xujian 1 ; Liu, Zhiyu 3 ; Zhang, Yucang 1 ; Zhao, Yongqiang 2 ; Weng, Wuyin 1 ;

作者机构： 1.Jimei Univ, Coll Ocean Food & Biol Engn, Xiamen 361021, Peoples R China

2.Chinese Acad Fishery Sci, South China Fisheries Res Inst, Natl R&D Ctr Aquat Prod Proc, Key Lab Aquat Prod Proc,Minist Agr & Rural Affairs, Guangzhou 510300, Peoples R China

3.Fisheries Res Inst Fujian, Fujian Collaborat Innovat Ctr Exploitat & Utilizat, Key Lab Cultivat & High value Utilizat Marine Orga, Xiamen 361013, Peoples R China

4.Fujian Prov Engn Technol Res Ctr Marine Funct Food, Xiamen 361021, Peoples R China

关键词： Fish; Myofibrillar protein; Chitosan; High internal phase emulsion; Stability

期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.2； 五年影响因子：7.8 ）

ISSN： 0141-8130

年卷期： 2023 年 240 卷

页码：

收录情况： SCI

摘要： The strategies to broaden the applications of proteins involve their modification with polysaccharides. However, the characteristics and application of myofibrillar proteins (MPs) from golden threadfin bream (Nemipterus vir-gatus) complexed with chitosan (CS) are still unclear. Therefore, the characteristics of MPs complexed with CS and their application were investigated at different MP/CS ratios (100:0-80:20 (w/w)). The turbidity of MP/CS complexes was small at the MP/CS ratio of 95:5 (w/w). Besides, CS addition induced changes in MP structure to make it hydrophilic. Secondary structure analysis showed that alpha-helix and beta-turn interconverted with beta-sheet and random coil after the addition of CS. Additionally, the thermal stability of MP/CS mixtures enhanced after the addition of CS and the MP/CS mixtures at the ratio of 95:5 (w/w) had a relatively compact structure. High internal phase emulsions (HIPEs) prepared at the MP/CS ratio of 95:5 (w/w) were relatively stable compared to those at the other ratios. Consequently, MP/CS mixtures at suitable ratios possess the potential ability to prepare HIPEs. These results exhibit that MP/CS mixtures may be applied for constructing food-graded emulsion delivery systems with a high internal phase in the food industry.

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