The Common blueberry or blueberry (Vaccinium myrtillus) is a deciduous shrub in the section Cyanococcus within the genus Vaccinium. The name of the plant comes from the colour of its berries, and the fact that ripe berries burst easily and stain the face and hands. The berries ripen in July and August. Blueberries are found everywhere in Estonia. They grow in damp forests and bogs, and usually prefer acidic peat soil. The blueberry is a highly valuable berry plant. Its dark blue berries have a pleasant and sweet taste. Blueberries can be used to make jam, preserves, juice, wine and more. The berries can also be dried or preserved in bottles. The colorant found in blueberries is a pH indicator which turns from red to blue when the pH in the habitat decreases. Blueberries are also used as food colouring (e.g. for meat stamping), as they are all- natural and safe.
What do blueberries contain?
Sugars 5-7%, pectin, organic acids – malic and citric acid 1%, tannins 7%. The berries are also rich in valuable vitamins: vitamin C, carotene, vitamin PP, vitamin B1 and B2. The leaves contain up to 20% tannins, 1.6% arbutin, 1.6% glycoside, 1% myrtillin, etc.
What are the benefits of blueberries?
Blueberries have many healing properties and are widely used in medicine. They improve digestion and memory and are used to treat visual disorders. Due to their high antioxidant content, they help remove free radicals from the body, thereby slowing the aging process and preventing the emergence and development of various illnesses and diseases.