Chitosan; a linear polysaccharide consisting of (1,4)-linked 2-
amino-deoxy-b-d-glucan, is a deacetylated derivative of chitin,
which is the second most abundant polysaccharide found in nature
after cellulose. Chitosan has been found to be non-toxic, biodegradable,
biofunctional, biocompatible and was reported by several
researchers to have strong antimicrobial and antifungal activities