chondroitinn.
/kɒnˈdrəʊɪtɪn/ Biochemistry.
An organic substance, C18H27NO14, found in cartilage, together with sulphuric acid.
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chondroitin1895
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1895 Jrnl. Chem. Soc. 68 254 (heading) Chondroitin-sulphuric acid... This substance, originally named chondroitic acid, is an ethereal hydrogen sulphate, and has been found in certain forms of cartilage.
1907 Jrnl. Chem. Soc. 92 i. 369 Chondroitin-sulphuric acid..formulae for this substance..and for its hydrolysis products, chondroitin.
1925 P. A. Levene Hexosamines ii. i. 76 The presence of glucuronic acid in the chondroitin and mucoitin sulphuric acids was demonstrated.
1925 P. A. Levene Hexosamines ii. i. 77 In chondroitin sulphuric acid, the sugar is chondrosamine and in mucoitin sulphuric acid it is chitosamine.
1944 Hackh's Chem. Dict. (ed. 3) 197/2 Chondroitic acid, C18H27O17NS..An acid of cartilage, found in traces in urine; splits into chondroitin.
1957 Sci. News 45 87 Chondroitin..has not yet been isolated from human tissue but has been found in bovine cornea.
This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2018).
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