Blueberries can be eaten directly. The peel of blueberry contains a lot of anthocyanins, and the frost on the surface of blueberry is a kind of fruit powder. This substance shows that the fruit is fresh, harmless and contains some nutrients, so it is no problem to eat the skin of blueberry. Moreover, peeling blueberries is troublesome, so just eat them directly.
Extended data:
Besides conventional sugar, acid and Vc, blueberry fruit is also rich in VE, VA, VB, SOD, arbutin, protein, anthocyanin, dietary fiber and mineral elements such as K, Fe, Zn and Ca.
According to the analysis and determination of 14 varieties of blueberry fruits imported from the United States, the content of anthocyanin pigment per 100 grams of blueberry fresh fruit is as high as 163mg, protein 400-700 mg, fat 500-600 mg, carbohydrate 12.3- 15.3 mg, and vitamin A is as high as 80 mg.
Baidu encyclopedia-blueberry