Grapefruits are an excellent source of vitamin C, fibre, and potassium and contain some iron, copper, and zinc. The pink and red varieties contain vitamin A (beta-carotene) and lycopene, an antioxidant that may help prevent cancer.
Did you know?
The varieties of grapefruit are categorized by the colours of their flesh, which range from white to bright pink or red. The grapefruit tree is a large evergreen with dark, glossy, green leaves.
Storing Grapefruits
Fresh grapefruit may be left at room temperature in a well-ventilated area for up to a week or kept up to 6 to 8 weeks in the crisper of a refrigerator. Exposure to ethylene gas from other ripening fruits may accelerate decay.
2002. Encyclopedia of foods. San Diego, Calif.: Academic Press.