What is Ellagic acid?

Ellagic acid is a natural phenol antioxidant found in numerous fruits and vegetables including blackberries, raspberries, strawberries, cranberries, walnuts, pecans, pomegranates, wolfberry and other plant foods. The antiproliferative and antioxidant properties of ellagic acid have spurred preliminary research into the potential health benefits of ellagic acid consumption.
Ellagic acid is the dilactone of hexahydroxydiphenic acid.
Plants produce ellagic acid and convert it to a form of tannin known as ellagitannins. These are glucosides which are readily hydrolyzed by water to regenerate ellagic acid when the plants are eaten. The highest levels of ellagic acid are found in strawberries, raspberries, cranberries, and grapes. It is also found in peach.
Ellagic acid can be found in the mushroom Phellinus linteus.
Health benefits
Ellagic acid has antiproliferative and antioxidant properties in a number of in vitro and small-animal models. The antiproliferative properties of ellagic acid are due to its ability to directly inhibit the DNA binding of certain carcinogens, including nitrosamines and polycyclic aromatic hydrocarbons. As with other polyphenol antioxidants, ellagic acid has a chemoprotective effect in cellular models by reducing oxidative stress.
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