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Effects of EGCG/TGase on the physicochemical properties and in vitro dynamic digestion characteristics of water-saving rinsed surimi gels

文献类型: 外文期刊

作者: Yang, Qin 1 ; Zhou, Weixia 1 ; Hu, Die 1 ; Li, Chuan 2 ; Zhang, Lu 3 ; Zhao, Yongqiang 4 ; Zou, Shengbi 5 ; Liu, Ru 1 ; Liu, Youming 1 ; Rong, Jianhua 1 ; Xiong, Shanbai 1 ; Hu, Yang 1 ;

作者机构: 1.Huazhong Agr Univ, Coll Food Sci & Technol, Wuhan 430070, Hubei, Peoples R China

2.Hainan Univ, Sch Food Sci & Engn, Haikou 570228, Hainan, Peoples R China

3.Jiangxi Normal Univ, Coll Life Sci, Natl R&D Ctr Freshwater Fish Proc, Nanchang 330022, Jiangxi, Peoples R China

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

5.Hubei Crayfish Ind Holding Grp Co Ltd, Qianjiang 433100, Hubei, Peoples R China

关键词: Epigallocatechin gallate; Transglutaminase; Myosin; Surimi gels; Rinsing; Dynamic digestion characteristics

期刊名称:FOOD CHEMISTRY ( 影响因子:9.8; 五年影响因子:9.7 )

ISSN: 0308-8146

年卷期: 2025 年 493 卷

页码:

收录情况: SCI

摘要: This study investigated the effects of epigallocatechin gallate (EGCG) and transglutaminase (TGase) on the physicochemical properties and in vitro dynamic digestion characteristics of water-saving rinsed surimi gels. The results showed that the combined application of EGCG and TGase reduced the surface hydrophobicity, total sulfhydryl group, reactive sulfhydryl group, disulfide bond contents, and alpha-helix content (from 23.93 % to 5.63 %) of myosin while increasing its particle size, turbidity, and beta-sheet content (from 14.03 % to 68.37 %). The EGCG/TGase significantly improved the gel strength of water-saving rinsed surimi, with value reaching 864.17 g & sdot;cm for once-rinsed surimi gels. Meanwhile, essential amino acids/total amino acids ratio remained above 60 % (exceeding the 40 % standard) at the end of the in vitro dynamic digestion. The digestion curves for both gastric and gastrointestinal phases followed the logistic model. Overall, EGCG and TGase synergistically enhanced the gel properties of water-saving rinsed surimi without affecting its nutritional quality.

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