期刊
FOODS
卷 9, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/foods9040503
关键词
gelatin; glutamine; microbial transglutaminase; crosslink; water-insoluble
资金
- National Key Research and Development Program of China [2017YFC1601704]
- National Natural Science Foundation of PR China [31522044, 31671909, 31772034]
- Program of Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment Technology [FMZ201904]
- National First-class Discipline Program of Food Science and Technology [JUFSTR20180205]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [KYCX19_1805]
Gelatin is a promising candidate for making bioplastic film; however, the water soluble property has limited its applications. Here, we have successfully fabricated a water-insoluble gelatin film with the assistance of biocatalysis. This innovative gelatin film could retain its original shape at ambient temperature (30 degrees C) or even in boiling water. Type E gelatin could form more covalent crosslinks when compared to that of conventional ones with the same amount of microbial transglutaminase (MTGase), and it exhibits obvious changes in terms of molecular weight, network structure, and mechanical strength. This work could provide a strategy for fabricating water-insoluble gelatin film and open routes for the development of bioplastic film using gelatin.
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