Improved viability of trehalose on Lactobacillus plantarum embedded with whey protein concentrate/pullulan hydrogel in simulated gastrointestinal conditions and its application in juice

IF 5.6 1区农林科学 Q1 FOOD SCIENCE & TECHNOLOGY Food Science and Human Wellness Pub Date : 2024-11-01 DOI:10.26599/FSHW.2023.9250043

Xiujuan Wang , Haiyue Sun , Jian Wu , Yu Wang , Zhiyi Ai , Xinzhu Wang , Bo Nan , Yong Cao , Xia Li , Jingsheng Liu , Yuhua Wang

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Abstract

Trehalose (TRE) was used to improve the gastrointestinal tolerance of Lactobacillus plantarum embedded with whey protein concentrate/pullulan (WPC/PUL) hydrogel and the embedded L. plantarum was applied to juice. The study indicated that 5 % TRE significantly increased the viable counts of L. plantarum embedded in WPC/PUL hydrogel from (8.83 ± 0.03) to (9.14 ± 0.04) (lg (CFU/g)) in simulated gastric juice (SGJ) and from (9.13 ± 0.04) to (9.38 ± 0.04) (lg (CFU/g)) in simulated intestinal juice, respectively. The addition of TRE improved the glass transition temperature of WPC/PUL hydrogel and decreased the hardness and its solubility in SGJ, which may be responsible for the improved protection of WPC/PUL hydrogels on L. plantarum. In addition, TRE increased the viable counts of L. plantarum in WPC/PUL probiotic microcapsule juice at low pH and high temperature during storage.

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来源期刊

Food Science and Human Wellness Agricultural and Biological Sciences-Food Science

CiteScore

8.30

自引率

5.70%

发文量

审稿时长

28 days

期刊介绍： Food Science and Human Wellness is an international peer-reviewed journal that provides a forum for the dissemination of the latest scientific results in food science, nutriology, immunology and cross-field research. Articles must present information that is novel, has high impact and interest, and is of high scientific quality. By their effort, it has been developed to promote the public awareness on diet, advocate healthy diet, reduce the harm caused by unreasonable dietary habit, and directs healthy food development for food industrial producers.