期刊
FOOD RESEARCH INTERNATIONAL
卷 43, 期 10, 页码 2385-2389出版社
ELSEVIER
DOI: 10.1016/j.foodres.2010.09.008
关键词
Gelatin; Caffeic acid; Natural crosslinking; Mechanical properties
Natural crosslinking of gelatin using a simple plant derived phenolic compound caffeic acid has been studied For the first time we are reporting a thermo-irreversible gelatin gel formation at 60 C Controlling the crosslinking reaction has resulted in obtaining gelatin with modified material properties Reaction parameters such as reaction pH reaction time and concentration of caffeic acid have been optimised to obtain different degrees of crosslinking The modified material properties were studied using small and large deformation rheology Gelatin crosslinked at 60 C and pH 9 for 20 min using 1 5% concentration of caffeic acid showed higher melting and setting temperatures The storage modulus and gel strength were also found to be higher for crosslinked gelatin at higher temperatures (C) 2010 Elsevier Ltd All rights reserved
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