1,Anthocyanidins:1%, 5%, 10%, 15%, 25% 2,Blueberry Fruit 3,Main Ingredient:Anthocyanidins 4,Test Method: ... Name: Vaccinium Myrtillus L.Part: FruitActive Ingredient: Anthocyanidins, AnthocyaninsSpecification: 10%, 15%, 20%, 25% By UVAppearance: Dark Violet Fine PowderPackage: 25kg /drum with ... used to make teas. Natural plant bilberry extract with specifation 10%-25%