Blueberries are plants and berries of the same name. Blueberry is distributed in all regions of the Northern Hemisphere in all countries with temperate and cold climate. In Europe and Asia blueberries grew up to the northernmost regions of the continent and is limited by the northern regions of Italy, Spain and Serbia in Europe, Turkey, Kazakhstan, Mongolia and China in Asia; in North America, blueberries can be found in the area bounded by California in the south.
Blueberry fruits are small (diameter up to 1 cm), dark blue with blue-grey tinge juicy edible berries. Blueberries are often confused with bilberries, but to determine who is who will be simple: berries of blueberries are sugary-sweet, their flesh is green, not blue. Most often, blueberries are eaten fresh, but they are also used in jam and wine production.
Properties of blueberries
Blueberries is a good source of sugars (about 7%), fructose, glucose and sucrose, it contains vitamins A, C, about 25 mg / 100 g (all vitamins remain in frozen berries). The berry is valued berry for a great amount of organic acids (citric, malic, acetic acid and so on.). It is rich in pectin, cellulose and micronutrients. Caloricity of blueberry is 37 kcal per 100 grams.
The greatest amount of nutrients is found in fresh berries, so it is better to use them fresh. The blueberry contains highly active antioxidants that prevent cancer cells formation, vitamin K1 contained therein is involved in blood clotting, vitamins contained in it have positive effect on the eyesight and help to relieve eyestrain