Coriolus versicolor is a medicinal fungus, its products has been wildly used in clinical use for treating chronic viral hepatitis, chronic bronchitis and liver cancer, it also can improve weak immunity.
The polysaccharides extracted from Coriolus versicolor fruit body ,mycelium or fermentable extract are powerful in anti-cancer activity. Many researches have been founded that active ingredients in Coriolus versicolor are the Polysaccharides and Polysaccharide krestin (PSK , a protein-bound polysaccharide) and Polysaccharide-Peptide (PSP).Its Polysaccharides have antitumour activity against various tumour cells in rats , sarcoma -180(80%)and ascites cancer(100%).