... are natural organic compounds. They are pigments found in many redberries including but not limited to grapes, bilberry, blackberry ... hawthorn, loganberry, acai berry and raspberry. They can also be found in other fruits such as apples and plums. ... the skin of the fruit.Bilberry is any of several species of low-growing shrubs in the genus Vaccinium (family Ericaceae), bearing edible fruits. The species ...