100g blueberry can produce 57 calories, which is equivalent to about14g glucose. Generally speaking, eat about 20 blueberries, and the sugar content is about 7 grams. Therefore, you need to eat a proper amount of blueberries every day, not too much.
Blueberry is a new small berry tree species with high economic value and broad development prospects. It ranks first among the global 15 healthy foods listed by authoritative British nutritionists, and is listed as one of the top five healthy foods for human beings by the International Food and Agriculture Organization.
Blueberry related information
The optimum temperature for blueberry growth is 13-30℃, and the highest temperature is 40-50℃. When the temperature is higher than this range, the root system will absorb less water and develop poorly. The climatic conditions of different blueberry distribution areas are different. The growing season of dwarf blueberry is short, and it is cool in Leng Xia in winter. The annual average temperature is 5- 12℃, the average temperature in February 12- 10 is below 0℃, and the extreme minimum temperature can reach -40℃.
The distribution areas of rabbit eye blueberry and southern shrub blueberry are long in growth period, warm in winter and high in summer. The annual average temperature is 18-22℃, and the annual growth period is 256-285 days. The monthly average temperature of 1℃ is close to or higher than 10℃, and the absolute minimum temperature is -65438. The climatic conditions in the northern high-irrigation blueberry distribution area are between the above two distribution areas, with annual average temperature 10- 120℃ and growing period 150-250 days. The average monthly temperature in winter can reach below 0℃, and the absolute minimum temperature is often -20℃, but not lower than -30℃.