POLYSACCHARIDE SUBSTANCE, PROCESS FOR THE PRODUCTION OF SAME, PHARMACEUTICAL COMPOSITIONS CONTAINING THE SAME AND THEIR USE AS MEDICAMENTS

摘要

The present invention relates to a novel polysaccharide substance, a process for the production of same by an microorganism belonging to the genus Alteromonas and pharmaceutical compostions containing this substance. The polysaccharide substance of the invention is useful for prevention and treatment of infection diseases and exhibits anticancer activity.