Blueberry (Blueberry), scientific name lingonberry, belongs to the rhododendron family (Ericaceae) lingonberry genus (Vaccinium?spp) plants. Blueberry is a small berry, the fruit is blue, nearly round, delicate flesh, very small seeds, sweet and sour moderate, and has a pleasant aroma, can be eaten fresh, but also as raw materials for food, beverages, medicine and so on. Blueberry fruit is rich in a variety of nutrients commonly found in fruits, as well as anthocyanin glycosides, flavonoids and other antioxidants and bacterial growth inhibitors, is a high amino acid, high zinc, high iron, high copper, high vitamin fruits, with good nutritional health care, including enhancing eyesight, eliminating eye fatigue, preventing cerebral neurological aging, anticancer, soften blood vessels, enhance the human body's immunity, and so on, and its nutritive value is much higher than that of apples, grapes, oranges and other fruits, and is considered to be the most nutritious food in the world. Its nutritional value is much higher than that of apples, grapes, oranges and other fruits, known as the "king of the world's fruits", is the world's most rapidly developing set of nutrition and health care in recent years in the third generation of fruit trees, popular in today's Europe, America, Japan and other countries and regions.

Blueberry fruit is not only high in nutritional value, containing a large number of substances beneficial to human health, including antioxidants (VA, Vc, VE), boots acid (vb), antibacterial components and rich in edible fibers, etc., the overview of the main health effects of the following aspects:?

(1) blueberry fruit VMA (anthocyanin pigment) on the eyes have good health effects, can reduce eye fatigue and improve night vision.?

(2) It has the effect of protecting capillaries and antioxidant.?

(3) It slows down the aging of brain nerves and enhances memory.?

(4) Has a good role in eliminating inflammation in the body, especially for urinary tract infections, chronic nephritis, the most significant effect.?

(5) has anti-cancer effect.?

Internationally, the retail price of fresh fruit is high, with the lowest retail price in the United States at around 3 U.S. dollars per pound, and as high as 40-50 U.S. dollars per kilogram in Japan. Fresh blueberries are usually packaged and sold in units of 125 grams, and the post-harvest packaging, storage, transportation, listing and shelving process need to be carried out under the conditions of about 0 ℃, and the freshness period is about 3 months. It is predicted that the export price of fresh blueberries produced in China is more than 5 U.S. dollars / kg. Failure to timely as fresh fruit sales of blueberries can be quick-frozen into frozen fruit, the export price is expected to be more than 2.5 U.S. dollars / kg. Frozen fruit can be processed into dried fruit, dried fruit, jam, drinks, etc., as well as ice cream, dairy products and other additives.