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CHONDROITIN SULFATE sodium is the sodium salt of the sulfated linear glycosaminoglycan obtained from bovine, porcine, or avian cartilages of healthy and domestic animals used for food by humans . chondroitin sulfate sodium consists mostly of the sodium salt of the sulfate ester of nacetylchondrosamine (2-acetamido-2-deoxy- -d-galactopyranose) and d-glucuronic acid copolymer. these hexoses are alternately linked -1,4 and -1,3 in the polymer. chondrosamine moieties in the prevalent glycosaminoglycan are monosulfated primarily on position 4 and less so on position 6.
chondroitin sulfate is an important structural component of cartilage and provides much of its resistance to compression . along with glucosamine , chondroitin sulfate has become a widely used dietary supplement for treatment of osteoarthritis . it is now widely used in nutraceutical , pharmaceutical, food, and cosmetics industries.