... appearance, DAC from 85-98, for use of pharmaceuticals, supplements, food, cosmetic, herb extraction, tobacco, water treatment, Water/air Purification and ... grade)Speical Molecular Weinht Chitosan (Pharmaceutical \ Food Supplement grade)Chitosan Oligosaccharide(Pharmaceutical Food \ Supplement grade)High-density Chitosan(\ Supplement grade) Soluble Chitosan Series Hyaluronic Acid ...