Chitin is a linear polysaccharide consisting of [−4) 2-acetamido-2-deoxy-β-D-glucopyranose (1− and −4) 2-amino-2-deoxy β-D-glucopyranose (1-]nwhich occurs widely in nature and which after further de-N-acetylation yields chitosan. Chitin, chitosan and many of their derivatives have found applications in industry, medicine, pharmacology and food technology.1Many recent studies have reported modifications of chitosan in attempts to bestow upon it a variety of properties.2−6