THE IMMUNITY-REPRESSION, ANTI-INFLAMMATION, ANTI-CANCER AGENTS OF BIFLAVONOIDES DERIVATIVES FROM SELAGINELLA TAMARISCINA SPRING

摘要

The present invention extracts bifurabonoid derivatives, such as isokryptomerine, kryptomerin ratio, amentoflavone, which are specifically contained in white rice among the flavonoid derivatives widely distributed in plants, and then sequentially fractionate them with an organic solvent in methanol. It is to be found that the method of separation through silica gel column and its efficacy as immunosuppressive, anti-inflammatory and anticancer drugs of these bifuranoid derivatives.