抄録
N-Acetylchondrosinethylester, and a chondroitinsulfate and its partial cleavage products were allowed to react with HIO4 and the requirements of the oxidizing agent per mole of them and also the production of formalde-hyde from the first one were estimated. The findings thereby and else suggested that 1) chondrosin is chondrosamine-3-β-glucuronide, and 2) chondroitin is expressed by Fig. 3 with acetylchondrosamine at the reducing end of the chain and glucuronic acid at the non-reducing.
