NOVEL PECTIC POLYSACCHARIDES PURIFIED FROM ANGELICA GIGAS NAKAI AND PURIFICATION METHOD AND USE AS IMMUNO-STIMULATING AGENT THEREOF

摘要

There is disclosed pectic polysaccharides which are purified by refluxing Angelica gigas Nakai in hot water and subjecting the hot water extract to ion exchange chromatography. The pectic polysaccharides, called Angelan, are so immuno-stimulative and active against cancers that they can be used in the treatment or prophylaxis of immune-related diseases and in basic immunology research.