Preliminary studies showed that polyhydroxy phenols such as flavenoids brin about low incidence of colon und breast canc cr Genistein is a phytosterols belonging to Flavonoids family. Apoptosis induction by gemstein in human pro myelocytic HL-fith leukacmic lls has been wonfirmed by using low cytometric analys It inhibits tyrusine kinas, angiogenesis and arrests cell cycle in G2/M Biacalein is a navcnoid contained in sho-saiko-to herbal phase medicine that induces apoptosis in cell lincs of human(HCC). It acts through hepato-cellular carcinoma inhibition of topoisome rasc II i apoptosis hy quercutin stimulated Quercetin cytosol and through release of cytochrome-c Isr the activating of caspase