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Lysozyme amyloid fibril-chitosan double network hydrogel: Preparation, characterization, and application on inhibition of Nε-(carboxyethyl)lysine

文献类型： 外文期刊

作者： Tian, Ziang 1 ; Ai, Binling 1 ; Yang, Yang 1 ; Zheng, Xiaoyan 1 ; Xiao, Dao 1 ; Zheng, Lili 1 ; Sheng, Zhanwu 2 ; Zhang, Zhengke 3 ; Wang, Mingfu 4 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Haikou 571101, Hainan, Peoples R China

2.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Zhanjiang 524000, Guangdong, Peoples R China

3.Hainan Univ, Coll Food Sci Engn, Haikou 570228, Peoples R China

4.Shenzhen Univ, Inst Adv Study, Shenzhen 518060, Guangdong, Peoples R China

关键词： Double network hydrogel; Chitosan; Amyloid fibrils; Gallic acid; N epsilon -(carboxyethyl)lysine

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： 2024 年 263 卷

页码：

收录情况： SCI

摘要： N epsilon-(carboxyethyl)lysine (CML), a typical advanced glycosylation end product produced during the processing of meat under high temperature, poses health risks. Active substances like polyphenols are known to inhibit the formation of harmful products during the processing of food. In this study, our objective was to prepare a double network hydrogel (DN) loaded with gallic acid using amyloid fibers and chitosan as a rigid and flexible network, respectively. The network as well as the interactions between the two networks were observed and analyzed. Chitosan concentration was the key factor regulating the structure and properties of the DN. At a chitosan concentration of 0.7%wt, the structure of DN became dense and its mechanical properties were improved, with the loading capacity and loading efficiency being increased by 143.79 % and 128.21 %, compared with those of amyloid fibril alone. Furthermore, the digestibility of gallic acid in simulated intestinal fluid was increased by 215.10 %. Moreover, adding DN to the beef patties effectively inhibited the formation of CML in a dose-response dependent manner. Addition of 3 wt% DN resulted in the inhibitory rate of CML in roast beef patties reaching a high 73.09 %. The quality and palatability of beef patties were improved. These findings suggest that DN shows great potential as an application that may be utilized to deliver active substances aimed at inhibiting CML in the meat processing industry.

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