Tell me about blueberries.

Blueberries, also known as Vaccinium uliginosum and Vaccinium uliginosum, are perennial deciduous or evergreen shrubs or small shrubs, which are widely distributed in the northern hemisphere. Blueberry fruit is listed as one of the five health foods for human beings by FAO because it contains unique substances such as preventing brain aging, enhancing heart function, improving eyesight and resisting cancer. In recent years, many countries in the United States, Canada, Japan, Chile and Europe regard blueberry as a healthy and functional food, which is favored by people and expensive in the international market. With the improvement of people's living standards, blueberries, raspberries, seabuckthorn, jujube and so on. People pay more and more attention to it because of its unique flavor and nutritional and health care functions, and it has been included in the ranks of the third generation of fruits in the world. Blueberry fruit is blue, covered with a layer of white fruit powder, with delicate pulp, sweet and sour taste, unique flavor and rich nutrition. The nutritional components of blueberry are not limited to fructose, fiber, vitamins A and C, but more importantly, they are rich in antioxidants, bacterial growth inhibitors, ellagic acid, ellagic acid, folic acid, anthocyanins, flavonoids and other compounds, which are closely related to the elimination, inhibition and reversal of human aging by free radicals. It can be seen that blueberry is not only a kind of fruit, but also a kind of health care and functional food. According to the research of American, Japanese and European scientists, eating blueberries regularly can obviously enhance vision, eliminate eye fatigue, nourish skin and strengthen heart.

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