期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 27, 期 1, 页码 41-47出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0141-8130(99)00117-8
关键词
locust bean gum; gelatin; gelation
The establishment of phase equilibrium in aqueous gelatin-locust bean gum (LBG) systems in the process of cooling from 313 to 291 K in specific conditions, passes ahead of the gelation process This allows the suggestion that macrostructure and mechanical properties of the system can be predicted on the basis of knowledge of its phase diagram, obtained for the liquid gelatin-LEG systems comprising gelatin molecular aggregates. Textural and rheological analysis of gel-like gelatin-LEG systems demonstrate the effect of two factors determining their mechanical properties and acting opposite each other when the concentration of LEG in the system increases: concentration of gelatin by LEG in the process of phase separation, and decrease in the density of the gel network. (C) 2000 Elsevier Science B.V. All rights reserved.
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