Manufacturing method null of the neutral polysaccharide which possesses anti- tumor

摘要

PURPOSE:To readily and efficiently obtain the aimed polysaccharide substance having antitumor action, by extracting a fruit body of Agaricus blazei Murr. with hot water, purifying the extract solution and eluting the purified extract solution with a carrier. CONSTITUTION:A fruit body of Agaricus blazei Murr. which is a mushroom of the genus Agaricus is extracted with hot water and the resultant extract solution is then purified by a method for precipitation with an alcohol, ion exchange chromatography and gel filtration. The obtained purified extract solution is subsequently brought into contact with a carrier containing immobilized lectin and eluted to afford the aimed polysaccharides from the eluate.