One is a low shrub, short and wild, with small particles and rich anthocyanins; The second is artificial cultivation of blueberries, which can grow to a height of 240cm, with large fruit and full pulp, improving the edible taste of wild blueberries and enhancing the absorption of anthocyanins by human body. There are more than 400 species of Vaccinium distributed all over the world, mainly produced in the United States and also known as American blueberries. Wild blueberries in China are mainly produced in Changbai Mountain, Daxinganling and Xiaoxing 'anling forest areas, and most of them are in Daxinganling area. Only in recent years have artificial domestication and cultivation been successfully carried out.
Blueberry fruit is rich in nutrients, which has the functions of preventing brain aging, protecting eyesight, strengthening heart, resisting cancer, softening blood vessels and enhancing human immunity.
Among them, because blueberry is rich in anthocyanins, it has the effect of activating retina, strengthening vision and preventing eyeball fatigue, which has attracted much attention. It is also one of the five healthy fruits recommended by FAO. And according to the research of American, Japanese and European scientists, regular consumption of blueberry products can obviously enhance vision and eliminate eye fatigue. Medical clinical reports also show that anthocyanins in blueberries can promote the regeneration of rhodopsin in retinal cells, prevent myopia and improve vision.