Polysaccharides pharmaceutical compositions and the use thereof

摘要

Polysaccharides having antitumor and other useful pharmacological activities and a process for preparing such polysaccharides are disclosed. These polysaccharides are characterized by alpha -bonding of the saccharide component and can be produced from the extracts obtained by the extraction of a basidiomycetous fungus belonging to the genus Coriolus or cultures thereof with an aqueous solvent.