... polysaccharide 2. extracted from the sea shrimp and crab shell 3. as food additive and raw material Chitosan Chemical Name: Poly-( ... Uses:This product is natural high-molecular polysaccharide extracted from the sea shrimp and crab shell, as food additive and raw ... -pollutive, non-corrosive, non-burnable, non-explosive, according with the export standard of WTO. Specification & PackageDAC>=85%,90%,95%,98 ...