Glycosaminoglycans were isolated from the equine gastric mucosa. Dowex 1×2 column chromatography was used. Fractionation of nondialyzable material by Dowex 1×2 column chromatography yielded six fractions at the molarity of NaCl ranging from 0.5 to 2.0mole; they were identified as hyaluronic acid, heparan sulfate, chondroitin-4-sulfate, dermatan sulfate and chondroitin-6-sulfate, respectively.
