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7 Health Benefits Of Grapefruit

Last updated June 14, 2016

The grapefruit (Citrus × paradisi) is a subtropical citrus tree known for its sour to semi-sweet fruit. When found, it was misidentified with the pomelo (C. maxima), one of the parents of this hybrid, the other being sweet orange (C. × sinensis). The fruit is yellow-orange skinned with the flesh being segmented and acidic, varying in color depending on the cultivars, which include white, pink and red pulps of varying sweetness.


The grapefruit (Citrus × paradisi) is a subtropical citrus tree known for its sour to semi-sweet fruit. When found, it was misidentified with the pomelo (C. maxima), one of the parents of this hybrid, the other being sweet orange (C. × sinensis). The fruit is yellow-orange skinned with the flesh being segmented and acidic, varying in color depending on the cultivars, which include white, pink and red pulps of varying sweetness.

Here are the 7 health benefits of grapefruit.

1.     Grapefruits can help keep your eyes healthy.

Grapefruits are rich in vitamin A with 53 percent of the recommended need per serving. Vitamin A is known for improving your eyesight and preventing night blindness and macular degeneration from developing as we age.

2.     Grapefruits can help individuals fight infections.

A large grapefruit has 120 percent of the vitamin C daily requirements. Vitamin C is a potent natural water-soluble antioxidant that helps the body develop resistance against infectious agents and eliminates cancer-causing free radicals in the body.

3.     Grapefruits are great for the hair and skin.

Adequate vitamin C intake does not only improve the immune system, can also create and maintain collagen, an important protein found in hair and skin. In addition, the vitamin A in grapefruits also keeps the hair moisturized through increased sebum production.

4.     Grapefruits could help improve digestive health.

Grapefruits are a great source of fiber. Dietary fiber helps prevent constipation, making one’s bowel movement easier to accomplish.The daily recommended dietary fiber intake for men and women are 38 grams and 25 grams, respectively.

Also, grapefruit juice taken before all three meals of the day can work as a suitable probiotic and digestive enzyme and will relieve excess flatulence and stomach discomfort.

5.     Grapefruits can help maintain a healthy blood pressure.

Grapefruits are loaded with potassium and a low content of sodium. One large grapefruit contains an outstanding 311 milligrams of potassium, compared to zero milligrams of sodium. This helps the blood vessels relax and maintains proper blood pressure.

6.     Grapefruits can help your slumber.

Grapefruits have been known to help an individual sleep with its high content of magnesium, which is a mineral that is directly linked to improving the quality, duration, and tranquility of sleep. Grapefruits also help regulate the metabolism, to help reduce sleep disorders and the occurrence of insomnia.

7.     Quinine in Grapefruits can help fight various diseases.

Quinine is a rare alkaloid that has been known to treat malaria, lupus, arthritis, and nocturnal leg cramps.

References:

  1. Grapefruit, raw, pink and red, all areas Nutrition Facts & Calories. (n.d.). Retrieved August 16, 2017, from http://nutritiondata.self.com/facts/fruits-and-fruit-juices/1905/2
  2. Salmeron, J., Manson, J. E., Stampfer, M. J., Colditz, G. A., Wing, A. L., & Willett, W. C. (1997). Dietary fiber, glycemic load, and risk of non—insulin-dependent diabetes mellitus in women. Jama277(6), 472-477.
  3. Houston, M. C. (2011). The importance of potassium in managing hypertension. Current hypertension reports13(4), 309-317.
  4. Cogswell, M. E., Zhang, Z., Carriquiry, A. L., Gunn, J. P., Kuklina, E. V., Saydah, S. H., ... & Moshfegh, A. J. (2012). Sodium and potassium intakes among US adults: NHANES 2003–2008. The American journal of clinical nutrition96(3), 647-657.
  5. Buttriss, J. L., & Stokes, C. S. (2008). Dietary fibre and health: an overview. Nutrition Bulletin33(3), 186-200.
  6. Vahlquist, A., Lee, J. B., Michaëlsson, G., & Rollman, O. (1982). Vitamin A in human skin: II Concentrations of carotene, retinol and dehydroretinol in various components of normal skin. Journal of Investigative Dermatology79(2), 94-97.
  7. Chongsuphajaisiddhi, T., Sabcharoen, A., & Attanath, P. (1981). In vivo and in vitro sensitivity of falciparum malaria to quinine in Thai children. Annals of tropical paediatrics1(1), 21-26.
  8. Braddock, R. J., & Kesterson, J. W. (1972). Amino acids of citrus seed meal. Journal of the American Oil Chemists' Society49(11), 671-672.
  9. Lu, Y., Zhang, C., Bucheli, P., & Wei, D. (2006). Citrus flavonoids in fruit and traditional Chinese medicinal food ingredients in China. Plant Foods for Human Nutrition61(2), 55-63.

Reviewed and Approved by a member of the DoveMed Editorial Board
First uploaded: Sept. 2, 2014
Last updated: June 14, 2016

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