期刊
FOOD RESEARCH INTERNATIONAL
卷 44, 期 9, 页码 2949-2954出版社
ELSEVIER
DOI: 10.1016/j.foodres.2011.07.005
关键词
Sorghum starch; Annealing; Morphological; Thermal; Amylose; Retrogradation
Sorghum starch was annealed in excess water at 50 degrees C for 24 h. Starch was also modified under heat-moisture treatment at 110 degrees C after adjusting various moisture contents (20,30 and 40%) for 8 h. Significant decrease in chain lengths of amylose fraction in HMT starches was observed. Heat moisture treated (HMT) and annealed (ANN) starches showed lower granule sizes, swelling power, peak and setback viscosity but higher retrogradation as compared to native starch. HMT starch with addition of 40% moisture showed a decrease in relative crystallinity. HMT and ANN starch gels were observed to be harder than native starch gel. (C) 2011 Elsevier Ltd. All rights reserved.
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