Chitosan is natural high-molecular polysaccharide extracted from the sea shrimp and crab shell, as food additive and raw material for pharmacy.
Chitosan accelerates the skin healing process, typically found in dietary supplements for reducing cholesterol levels and promoting weight is greatly applied as food protecting healthy and the medicine additive by strengthening the liver function , abasing fat and sugar, restraining cancer occurring . Chitosan can activate the cell, guard against diseases and improve the immunity of the human body. So, Chitosan is also called the sixth vital factor for the human life and is widely used in medicine, health care, food industry, chemical industry concerned with everyday life.