- Delicious, grapefruit is very low in calories, consists of just 42 calories per 100 g. Nonetheless; it is rich in dietary insoluble fiber pectin, which works as bulk laxative. Dietary fiber helps to protect the colon mucous membrane by decreasing exposure time to toxic substances in the colon as well as binding to cancer-causing chemicals in the colon.
- Pectin has also been shown to reduce blood cholesterol levels by decreasing re-absorption of cholesterol in the colon.
- Further, vitamin A is also required maintaining healthy mucus membranes and skin. Consumption of natural fruits rich in vitamin-A, and flavonoids helps to protect from lung and oral cavity cancers.
- 100 g of fresh fruit contains about 135 mg of potassium electrolyte. Potassium is an important component of cell and body fluids, helps regulate heart rate and blood pressure through countering sodium effects.
- Red varieties of grapefruits are especially rich in powerful flavonoid antioxidant, lycopene. Studies shows that lycopene protects skin from dangerous UV rays, and offers protection against prostate cancer.
- Additionally, it contains moderate levels of B-complex group of vitamins such as folates, riboflavin, pyridoxine, and thiamin in addition to some resourceful minerals such as iron, calcium, copper, and phosphorus.