Grapefruit are believed to be a mutation of the pummelo or a cross between a pummelo and an orange. Pummelos are similar to grapefruit, but their skin is green, the flavor is milder and they are much larger. Grapefruit received the name because they grow in clusters like grapes.
Grapefruit should be stored in the refrigerator and can be stored for several weeks.
Grapefruit is most often eaten raw. It can be peeled and sectioned like oranges and added to fruit salad or halved crosswise and eaten with a spoon. For a tart flavor, grapefruit can be added to salads. Grapefruit can be cooked and served by itself or used in dips, sauces or salad dressings. Grapefruit juice can be used in a variety of drinks or squeezed for its juice, which can be drunk by itself. Grapefruit can be added to stir-fry dishes and lightly cooked near the end of the cooking time. Grapefruit can be used in cakes and breads, but is not often baked. Grapefruit has a long shelf-life and can be store in the refrigerator for six to eight weeks. It is not generally frozen.