... Sulfate is a 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.Products ... , chondroitin sulfate shark , the content including 85%,90%,95% . glucosamine and chondroitin 2012-68