ANTITUMOR SUBSTANCE EXTRACTED FROM HEN-OF-THE-WOODS

From the paper

Abstract

An antitumor substance having high immunopotentiating activity, extracted and fractionated from mycelia or fruit bodies of Grifola with water can be obtained by adding alcohol to its extract at a final concentration of 20 to 70 % by volume (low-concentration addition) to remove floating matter on the liquid or in the liquid or matter adhered to the vessel wall.