Blueberry

Blueberries are small, round berries produced by several species of the genus Vaccinium, a group of plants in the heath family, Ericaceae. The name usually refers to North American wild and cultivated blueberries. Their skin is blue to blue-black because of natural pigments called anthocyanins, while the flesh may be much paler.

A thin, waxy coating called bloom often covers ripe berries, giving them a slightly dusty appearance and helping reduce water loss. Blueberry plants prefer acidic, well-drained soils. Depending on the species, they grow as low shrubs or taller bushes. After flowering, the berries develop and are harvested when they reach their characteristic color and ripeness.

Blueberries contain water, natural sugars, dietary fiber, vitamin C, vitamin K, manganese, and other micronutrients, although amounts vary with variety and growing conditions. They also provide anthocyanins and other polyphenols, plant compounds studied for their possible effects on human health. Their presence does not make blueberries a medicine or a treatment for a specific disease.

As part of a varied diet, they can contribute to daily nutrient intake. They may be eaten fresh, frozen, or dried and are often added to yogurt, cereals, baked foods, sauces, and desserts. Because fresh blueberries are delicate and perishable, they are generally refrigerated and washed before eating.