Anthocyanins are water-soluble vacuolar pigments that, depending on their pH, may appear red, purple, blue or black.
Food plants rich in anthocyanins include the blueberry extract, raspberry, black rice, and black soybean, among many others that are red, blue, purple, or black. Some of the colors of autumn leaves are derived from anthocyanins.
Grape seed extract contain procyanidine, is an antioxidant, anti-mutation, anti-cancer, anti-viral, anti-inflammatory, anti-ulcer, and cholesterol-lowering effects.
