Preparation of N-Acetylchitooligosaccharides by Enzymatic Hydrolysis of Chitosans

Hong Zhu; Zhi Hui Qiu; Qiong Hou

doi:10.4028/www.scientific.net/AMR.160-162.1358

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 160-162Preparation of N-Acetylchitooligosaccharides by...

Preparation of N-Acetylchitooligosaccharides by Enzymatic Hydrolysis of Chitosans

Abstract:

An economical production process of higher N-acetylchitooligosaccharides [(GlcNAc)n, n=5~7 ] was developed with enzymatic and chemical reactions in this study. (GlcNAc)n were prepared selectively and efficiently by hydrolysis of chitosans with cheap enzyme preparations including cellulase TV, cellulosin A.C and hemicellulase, followed by N-acetylation with acetic anhydride. Higher (GlcNAc)n could be obtained in high yields by using cellulosin A.C and hemicellulase, which are originated from Aspergillus niger.

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Periodical:

Advanced Materials Research (Volumes 160-162)

Pages:

1358-1361

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.160-162.1358

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Online since:

November 2010

Authors:

Hong Zhu, Zhi Hui Qiu, Qiong Hou

Keywords:

Chitosan (CS), Enzymatic Hydrolysis, N-Acetylchitooligosaccharide

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