文摘
Chondroitin sulfate was isolated from fish processing industry by-products. CS Mw was determined by GPC and sulfation position by NMR and SAX-HPLC. CS was isolated from Scyliorhinus canicula, Prionace glauca, and Raja clavata. 4S/6S ratio below 0.20 was observed for P. glauca and R. clavata.