Blueberry is one of the oldest fruits on the earth with a long history of about 13
,000 years. Blueberries have a lot of nutrients which are beneficial to the human health. They can improve the sleep, reduce the risks of getting inflammation and allergy, enhance the blood vessels and develop the cyclic system. Anthocyanins contained in blueberries play an important role in enhancing the human immunity and protecting the capillaries in the eyes. In recent years, blueberry, as a kind of peroral skin cosmetic, is very popular among the European countries. It is also called "sapphire" in Australia. Therefore, blueberries can effectively help people keep healthy and resist aging.