{"title":"In vitro assessment of addition of soy protein isolate on milk protein digestion and conformational behaviour","authors":"Qiaoya Mo, Qian Yang, Yingyi Mao, Feifei Deng, Xiaoying Xiong, Xiang Li, Wei Li","doi":"10.1111/1471-0307.13094","DOIUrl":null,"url":null,"abstract":"<p>Soy protein (SP) and milk protein are nutritionally complementary proteins, while they have different postprandial kinetic manifestations. In this study, different sources of proteins (casein, whey protein and SP isolate) were compounded in different concentrations and ratios. An <i>in vitro</i> dynamic gastrointestinal digestive system for children was used to study the digestive behaviour. For all the concentrations assessed, a consistently high level of small peptide release was demonstrated at 2.67 g/100 mL protein concentration, while the addition of 10% SP isolate would increase the release of small peptides. Overall, the study offers novel perspectives on children's products with diverse protein sources.</p>","PeriodicalId":13822,"journal":{"name":"International Journal of Dairy Technology","volume":null,"pages":null},"PeriodicalIF":2.5000,"publicationDate":"2024-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Dairy Technology","FirstCategoryId":"97","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/1471-0307.13094","RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"FOOD SCIENCE & TECHNOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Soy protein (SP) and milk protein are nutritionally complementary proteins, while they have different postprandial kinetic manifestations. In this study, different sources of proteins (casein, whey protein and SP isolate) were compounded in different concentrations and ratios. An in vitro dynamic gastrointestinal digestive system for children was used to study the digestive behaviour. For all the concentrations assessed, a consistently high level of small peptide release was demonstrated at 2.67 g/100 mL protein concentration, while the addition of 10% SP isolate would increase the release of small peptides. Overall, the study offers novel perspectives on children's products with diverse protein sources.
期刊介绍：
The International Journal of Dairy Technology ranks highly among the leading dairy journals published worldwide, and is the flagship of the Society. As indicated in its title, the journal is international in scope.
Published quarterly, International Journal of Dairy Technology contains original papers and review articles covering topics that are at the interface between fundamental dairy research and the practical technological challenges facing the modern dairy industry worldwide. Topics addressed span the full range of dairy technologies, the production of diverse dairy products across the world and the development of dairy ingredients for food applications.
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