Cranberry is the Ericaceae Vaccinium plants. They mainly grow in acidic soil areas of the northern hemisphere. Now, only Canada, the US, Chile, and Northeast China have large-scale cranberry planting.

A large number of procyanidin compounds are extracted from cranberry have strong antioxidant activity. There are more and more researches about cranberry extract in recent years. Procyanidin is a kind of polyphenol. It is also called condensed tannins acid. The content of procyanidin in cranberries reaches 34.3mg/100g. It is the most effective natural antioxidant to remove free radicals in the human body. The ability to resist free radicals is 50 times vitamin E and 20 times Vitamin C.

Procyanidin removes water-soluble and fat-soluble free radicals. The elder eats cranberry every day can effectively prevent cardiovascular disease. For females, it is a natural beauty product that keeps them young and beautiful. Procyanidin plays a lot of roles owning to unique chemical and physiological activities such as anti-aging, whitening, and so on.

Cranberry also contains other antioxidant nutrients, such as salicylic acid, β carotene, vitamin c, and vitamin E. They give cranberries more nutritional and healthy functions.