... kind of animal polysaccharide, refined by animal laryngeal bones, cartilage, tracheal or bone sinew and ligament with CHS in ... cartilage tissue.,consisting of D-Glucuronic acid and N-Acetyl-D-galactosamine. Character:White powder, slightly salty, ... hepatitis, keratitis and corneal ulcer,etc.5. Chondroitin in shark cartilage can cure anti-tumor. In addition, chondroitin sulfate is also ...