Effect of chickpea protein hydrolysate on multi-scale structure and in vitro digestive properties of rice starch

IF 3.9 2区农林科学 Q2 FOOD SCIENCE & TECHNOLOGY

Journal of Cereal Science Pub Date : 2025-02-18 DOI:10.1016/j.jcs.2025.104136

Zhuojia Lv, Cuiping Han, Xue Yang, Junfang Zhang, Yujie Duan, Qingxin Guo, Jianjun Cheng

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Abstract

The effects of chickpea protein hydrolysates (CPH) with different hydrolysis times (30 min, 60 min, and 120 min) and different amounts (5%, 10%, and 20%) on the multi-scale structure and digestibility of rice starch (RS) were investigated. The addition of CPH did not change the recrystallization of rice starch compared to pure rice starch. The addition of CPH increased the pasting temperature of starch, decreased the enthalpy of pasting, and effectively inhibited the pasting of starch. In vitro digestion results showed that the interaction between CPH and rice starch significantly reduced the digestibility of rice starch. The content of rapidly digestible starch in the RS-10% CPH120 complex decreased from 50.41% to 40.56%. However, the addition of 20% CPH hydrolyzed for 120 min may inhibit the non-covalent interaction between RS and CPH due to the aggregation of more short peptides. The RDS content in the complex RS-20% CPH120 (41.98%) was higher than that of RS-10% CPH120 (40.56%). In conclusion, our work demonstrates for the first time that CPH has a significant inhibitory effect on starch digestion.

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来源期刊

Journal of Cereal Science 工程技术-食品科技

CiteScore

7.80

自引率

2.60%

发文量

163

审稿时长

38 days

期刊介绍： The Journal of Cereal Science was established in 1983 to provide an International forum for the publication of original research papers of high standing covering all aspects of cereal science related to the functional and nutritional quality of cereal grains (true cereals - members of the Poaceae family and starchy pseudocereals - members of the Amaranthaceae, Chenopodiaceae and Polygonaceae families) and their products, in relation to the cereals used. The journal also publishes concise and critical review articles appraising the status and future directions of specific areas of cereal science and short communications that present news of important advances in research. The journal aims at topicality and at providing comprehensive coverage of progress in the field.