Blueberry means blue berries. One species is low shrubs, dwarfs are wild, and the granules are small, but the content of anthocyanins is very high. The second is artificially cultivated blueberries, which can grow to 240 cm in height. The fruits are larger, the water is more, and the anthocyanin content is relatively partial. low. There are more than 400 species of bilberry plants distributed all over the world. The origin and production of the bilberry plants in the United States is also known as the American Blueberry. China mainly produces in Daxinganling and Xiaoxing'anling forests, especially in central Daxing'an Mountains, and it is pure wild. In recent years, artificial domestication and cultivation have been successfully carried out. Blueberry fruit is rich in nutrients, it not only has a good nutritional and health effects, but also has the function to prevent aging of the brain nerves, strong heart, anti-cancer softening blood vessels, enhance human immunity.
Blueberries also contain a large number of anthocyanins that are beneficial to the retina, and are rich in vitamin A, vitamin E, carotenoids, dietary fiber, potassium, and zinc.
In addition to regular sugars, acids and Vc, blueberry fruits are rich in VE, VA, VB, SOD, arbutin, protein, anthocyanin, dietary fiber, and abundant mineral elements such as K, Fe, Zn, and Ca. According to the analysis of the 14 varieties of blueberry fruits introduced from the United States, the content of anthocyanin pigment per gram of blueberry fresh fruit is as high as 163 mg, protein 400 to 700 mg, fat 500 to 600 mg, carbohydrate 12.3 to 15.3 mg, and vitamin A as high as 81 ~100 international units, vitamin E2.7 ~ 9.5μg, SOD5.39 international units, vitamins are higher than other fruits. The trace elements are also high, with 220-920 μg of calcium per gram of fresh fruit, 98-274 μg of phosphorus, 114-249 μg of magnesium, 2.1-4.3 μg of zinc, 7.6-30.0 μg of iron, 0.8-1.2 μg of yttrium, and 2.0-3.2 μg of copper.
According to the analysis of the University of Tufts in the United States, blueberries have the highest anthocyanin content in 40 antioxidant-resistant vegetables and fruits. The anthocyanin content of blueberry is the highest among all fruits and vegetables, and the most abundant part of blueberry anthocyanin is in its unique purple skin.
The special nutrients contained in blueberries such as anthocyanins, organic germanium, organic selenium, bearberry tincture, amino acids, and fruit acids are unmatched by any plant, especially anthocyanins composed of 16 bioflavonoids. General plant anthocyanins have superior physiological activities. In recent years, wild berries have received more and more attention from the food and health care products industry. This is due to the unique health care function of blueberry fruit anthocyanins. The fruit of blueberries is rich in anthocyanins (anthocyanins), which are mainly antibiotics, anti-free radicals, anti-visual degradation and anti-arteriosclerosis and thrombosis. Bilberry juice can be used to extract bilberry red pigment and is widely used in food coloring and health care products for astronauts and primary and middle school students to prevent vision loss and deterioration.
According to studies of scientists from the United States, Japan, and Europe, regular consumption of blueberry products can significantly enhance vision and eliminate eye fatigue; nourish the skin; delay brain aging; have therapeutic effects on capillary diseases caused by diabetes; enhance cardiac function; prevent aging dementia. Due to the nutrition and medicinal functions of blueberries, the International Food and Agriculture Organization lists it as one of the top five health foods for humans. The health value of blueberry products has been gradually recognized by more consumers.