Cranberry extract is processed from the mature Cranberry substitute as raw material, and a type of amorphous powder (USP32-NF27) is obtained. The Cranberry extract contains a large amount of anthocyanins, And a part of polysaccharides,pectin, tannin, arbutin, vitamin C and B vitamins, etc. Anthocyanin is a general term for a class of substances composed of anthocyanin and sugar. Anthocyanins can display rich and brilliant colors under certain conditions, so they can be used as a food additive.