Transglutaminase-catalyzed modification of fish skin gelatin enhanced the protection of microcapsules to Limosilactobacillus reuteri  被引量:1

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作  者:Yulong Zhang Shuailing Guo Guiming Fu Yanru Chen Yin Wan Xiaodan Wu Ziwen Xu Jingjing Liu Zijun Xie 

机构地区:[1]State Key Laboratory of Food Science and Technology&College of Food Science and Technology,Nanchang University,Nanchang,330047,China [2]International Institute of Food Innovation,Nanchang University,Nanchang,330000,China

出  处:《Food Bioscience》2022年第6期118-126,共9页食品生物科学(英文)

基  金:supported by the fund of the National Natural Science Foundation of P.R.China(No.32060540);the Youth Talent Training Program for Academic and Technical Leaders of Major Disciplines in Jiangxi Province(No.20212BCJ23042).

摘  要:In the present study,the tilapia skin gelatin was modified with Transglutaminase(TGase)to obtain wall materials with good film-forming performance.The effects of different fish skin gelatin cross-linking degree on the physical and chemical properties of the wall material solution were compared.When the fish skin gelatin cross-linking degree was 15.45%,the wall material solution had the highest emulsification,emulsification stability,foaming ability and foam stability,which were 4.25 m^(2)/g,63.27 min,140.00%and 32.14%,respectively.Therefore,the wall material with 15.45%fish skin gelatin cross-linking degree was used for spray drying to prepare Limosilactobacillus reuteri microcapsules.The particle size of the microcapsules was 40.5μm,the moisture content was 3.93%,the microcapsules had good storage stability at 4℃,and the expected shelf life was 28 days.The survival rate of L.reuteri in simulated gastrointestinal fluid increased by 43.94%,It was indicated that microcapsules with fish skin gelatin modified by TGase had the strong gastric acid resistance and could release more live bacteria in the gastrointestinal tract.The results can provide guidance for the large-scale production of L.reuteri-loaded microcapsules and the application of probiotics in food.

关 键 词:TRANSGLUTAMINASE CROSS-LINK PROBIOTICS MICROCAPSULES Simulation of digestion 

分 类 号:TS201.3[轻工技术与工程—食品科学]

 

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