... 3.Food health Chitosan is a substance obtained by deacetylation of Chitin. Food Grade Chitosan is made from Alaska deep- ... natural active polysaccharide with cationic, and called the Six Element of Life after Protein, Fat, sugar, mineral and vitamin, can be ... .In Medicine & Health Care Field: Chitosan has the effects of improving the immunity, guarding against hypertension, regulating blood sugar, anti ...