Chitosan is a linear polysaccharide composed of various glucosamine. It is commercially produced by deacetylation of Chitin. Chitin is found in the exoskeleton of crustaceans.  

It can be used as a specialty food functional ingredient, as a filtration additive or a fungal source.

It can also be used for various weight loss products. 

CAS Number : 9012-76-4