乳状液
葡甘露聚糖
二酰甘油激酶
化学
化学工程
制作
色谱法
食品科学
生物化学
医学
替代医学
病理
蛋白激酶C
工程类
酶
作者
Ning Liu,Pei Lin,Kun Zhang,Dan Li,Dan Yang,Katsuyoshi Nishinari,Ming Zhao,Xiaolin Yao
标识
DOI:10.1016/j.ijbiomac.2023.126420
摘要
Konjac glucomannan (KGM) combined with hydroxypropyl methyl cellulose was used to fabricate diacylglycerol oleogels (DGOs) through the emulsion-templated method, and compared with triacylglycerol oleogels (TGOs). The appearance and microstructure results showed that stable emulsions and oleogels could be formed in the presence of 0.2-0.6 wt% KGM. Higher KGM concentrations resulted in a stronger gel structure in oleogels, whose thixotropic recovery percentages were 50.45-75.20 %. From LF-NMR determination, the higher concentration of KGM presented earlier transverse relaxation (T2) time, and the T2 parameters of DGOs were higher than that of TGOs. Texture and oil loss analysis indicated that the mechanical strength and oil holding ability of DGOs were slightly lower than those of TGOs. This study demonstrated the advantages of biopolymers as thickening agents for obtaining stable emulsion and oleogels. The specific characteristics of DGOs distinguished from TGOs should be attributed to their different properties (unsaturation, viscosity, polarity, etc.) between the liquid oils.
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