ADLAY POLYSACCHARIDE SUBSTANCE AND LIPOMETABOLISM IMPROVER

摘要

NEW MATERIAL:An adlay polysaccharide having the following properties: weight-average MW of about 5X105; saccharide composition: xylose 36.4wt%, arabinose 34.4wt%, glucose 17.6wt%, uronic acid 7.4wt%, galactose 4.1wt%, and mannose trace; specific rotatory power of -97.5 deg.; IR spectrum: absorption bands as 900cm-1 and 1,650cm-1; solubility: soluble in water and an alkaline solution and insoluble in benzene, acetone and alcohol; color reaction: aniline-phthalic acid reaction, etc. (+), ferric chloride reaction (+ or -). USE:Lipometabolism improver effective for the treatment of hypertension and arterioscrelosis. PREPARATION:Adlay bran is defatted by treatment with an organic solvent or the like and then subjected to a chemical or an oxygen treatment. The treated liquor is filtered to remove starch, etc., as a filtrate. Then, the residue is dissolved in an aqueous alkali solution. The obtained alkali-soluble portion is neutralized and then the protein is precipitated and removed. The supernatant liquid is dialyzed and then mixed with ethanol to precipitate an adlay polysaccharide substance.