期刊
FOOD AND BIOPRODUCTS PROCESSING
卷 88, 期 C2-3, 页码 209-214出版社
ELSEVIER
DOI: 10.1016/j.fbp.2010.01.010
关键词
Durian rind pectin; Yield; Degree of esterification; Experimental design; Regression model
资金
- USM, Penang [304/PTEKIND/638069]
The effect of time (1 and 4h), pH (2.0 and 2.5) and temperature (80 and 90 degrees C) on yield and degree of esterification (DE) of durian rind pectin was investigated. The yield and DE of the extracted pectin ranged from 2.1 to 10.3% (w/w, based on dry weight of durian rind) and 45.6-64.8% respectively. Yield was significantly affected by time, temperature and pH, and interactions between temperature and pH, and heating time and pH. DE was significantly affected by heating time and pH, and interactive effects of temperature and pH, and heating time and pH. The extraction yield was not related to DE. By considering pectin yield and DE, the acid extraction of durian rind pectin at 80 degrees C, for 4 h and at pH 2.5 could be suitable. (C) 2010 The Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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