Blueberries are not only a powerful antioxidant but also high in compounds called anthocyanosides.
there are types of blueberries and the most potent ones are Bilberries, as they have the virtuous pigment in there flesh as well as in there skin, thus they pack a greater anthocyanin wallop.
Wild blueberries are also high on the list because they contain less water. All blueberries are very rich with antioxidants.