Black bean Extract is extracted from Glycine soja Sieb with grain alcohol solution. It is soluble in water and ethanol. It contains lots of Anthocyanin which is efficient antioxidant.
Cyanidin-3-glucoside is the main active ingredient in Anthocyanin. Action: Black Bean Extract can be used as health food additive or natural color. Black Bean Extract shows pink in acid solution,
purplish-red in neutral solution and blue-black in alkaline solution.