期刊
POLYMER DEGRADATION AND STABILITY
卷 94, 期 10, 页码 1895-1899出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymdegradstab.2009.06.021
关键词
Chitoogliosaccharides; Cellulase; Hydrolysis; Chitosan
资金
- Jiangxi Provincial Department of Education [2007168]
- Natural Science Foundation of Jiangxi Province [0620071]
Chitosan of 80% degree of deacetylation was depolymerised by the cellulase of Aspergillus niger to prepare chitooligosaccharides. MALDI-TOF MS analysis of the enzymatic hydrolyzates indicated that the products were mainly chitooligosaccharides with degree of polymerization (DP) in the 3-11 range. By fractionation of the hydrolyzates with acetone-water, products of DP below 6 and DP above 6 were separated in good yield. Crown Copyright (c) 2009 Published by Elsevier Ltd. All rights reserved.
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