Cranberry is one of the common fruits with high antioxidant capacity, and its products are rich in forms and have high economic value, such as fresh fruits, frozen fruits, slices, powders, juices, sauces and so on. In addition, cranberry also contains hyperoside, five light flavones, anthocyanins and other active ingredients that are beneficial to the human body.
Cranberry has a long history of cultivation in the North American continent, and the local Indian indigenous department was the first to eat cranberry. They make cranberries into jam, dried fruit and other foods; Cranberry juice was applied to the wound for healing; To dye cloth as a dye. In the 15th century, European colonists landed on the North American continent at the beginning, because they did not adapt to the environment, there were various diseases. The Indians introduced cranberry to immigrants, and the health care function of cranberry played a great role in the health recovery of European immigrants.