Grapefruit - is the name of a tree and fruit of citrus family. Grapefruit is covered with dense yellow or red skin, inside which is the pulp, divided into slices, covered with a thin white skin. The flesh may be various colors, which lie in the range from pale yellow to red-ruby, and has a sweet, with a characteristic bitter flavor. Most often, grapefruit is used in fresh form, but also can be used to make juices and in the cosmetic and food industries.