Ellagic acid is a Polyphenol compound found in numerous fruits and vegetables, including, raspberries; strawberries; cranberries; walnuts; pecans; pomegranates; and other plant foods. It is often regarded as an antioxidant. Ellagic Acid Clinical Tests on cultured human cells also show that Ellagic acid prevents the destruction of the p53 gene by cancer cells. Additional studies suggest that one of the mechanisms by which Ellagic acid inhibits mutagenesis and carcinogenesis is by forming adducts with DNA, thus masking binding sites to be occupied by the mutagen or carcinogen. Ellagic acid is a fused four ring compound occurring free or combined in galls. Isolated from the kino of Eucalyptus maculata Hook and E. Hemipholia F. Muell. Activates Factor XII of the blood clotting system which also causes kinin release; used in research and as a dye.