Journal
MOLECULES
Volume 24, Issue 21, Pages -Publisher
MDPI
DOI: 10.3390/molecules24213862
Keywords
chitin; chitosan; chitin deacetylase; nuclear magnetic resonance
Funding
- Research Council of Norway [221576]
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Chitin, an insoluble linear polymer of beta-1,4-N-acetyl-d-glucosamine (GlcNAc; A), can be converted to chitosan, a soluble heteropolymer of GlcNAc and d-glucosamine (GlcN; D) residues, by partial deacetylation. In nature, deacetylation of chitin is catalyzed by enzymes called chitin deacetylases (CDA) and it has been proposed that CDAs could be used to produce chitosan. In this work, we show that CDAs can remove up to approximately 10% of N-acetyl groups from two different (alpha and beta) chitin nanofibers, but cannot produce chitosan.
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