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Chitin and chitosan, which due to their wide applicability and abundance are of increasing interest to industries. Chitin is extracted from a wide range of living things by a variety of methods, which may be chemical or biological. Chitosan is obtained from the alkaline deacetylation of chitin by chemical or enzymatic processes. Due to their different polysaccharide chains, chitin and chitosan have different properties. Chitin is thus an insoluble polymer in most solvents, while chitosan is a soluble polymer in ac...