A look at the nutritional value of grapefruits tells us that they have high vitamin and mineral content. Explore through this article all the nutrition facts related to grapefruit.

Nutritional Value Of Grapefruits

Grapefruit is a member of the citrus clan and is coined by the botanical name Citrus X paradisi. This evergreen fruit, with its long dark-green leaves and four-petaled flowers, grows up to a height of about 5 to 6 meters and is widely found in the sub-tropical regions of the world. Before the 19th century, the plant was mostly regarded as an ornamental variety, meant to adorn the gardens and private grounds. It was only after the later part of the century that people became more and more aware of the beneficial effects and the high nutritional value content of grapefruit. Today, the prime cultivators of this species are Arizona, Texas, California and Florida. Historically, the fruit is said to have been discovered in Barbados, during the 17th century. The main varieties of the fruit that are cultivated around the world are Marsh, Duncan, Foster, Oroblanco, Thompson, Triumph, Sweetie, Redblush and Star Ruby. To give you a better idea of the high nutritional content of grapefruits, a Food Rating Chart has been provided for in the lines below.
 
Grapefruit Nutrition Facts
 
Amount of Grapefruit: 1 cup
Total Weight of Grapefruit: 230 grams
 
Nutrients
Amount
Basic Components
 
Protein 
1.8 g
Carbohydrates
24.5 g
Water
203 g
Ash
0.8 g
Calories
 
Total Calories
404 KJ
Calories From Fat
11.3 KJ
Calories From Carbohydrate
368 KJ
Calories From Protein
25.1 KJ
Carbohydrates
 
Dietary Fiber
3.7 g
Sugar
15.8 g
 Glucose
3703 mg
 Fructose
4071 mg
 Sucrose
8072 mg
Fats
 
Total Fat
0.3 g
Poly Fat 
0.1 g
Vitamins
 
Vitamin A
2645 IU
Thiamin
0.1 mg
Riboflavin
0.1 mg
Niacin
0.5 mg
Vitamin B6
0.1 mg
Betaine
0.2 mg
Vitamin C
71.8 mg
Vitamin E (Alpha Tocopherol)
0.3 mg
Folate
29.9 mcg
Pantothenic Acid
0.6 mg
Minerals
 
Calcium
50.6 mg
Copper
0.1 mg
Iron
0.2 mg
Magnesium
20.7 mg
Manganese
0.1 mg
Phosphorus
41.4 mg
Potassium
311 mg
Selenium
0.2 mcg
Zinc
0.2 mg
Saturated Fats
 
16:0 Palmitic
41.4 mg
18:0 Stearic
4.6 mg
Mono Fats
 
18:1 Oleic
41.4 mg
Poly Fats
 
18:2 Linoleic
66.7 mg
18:3 Linolenic
18.4 mg
Other Fats
 
Omega 3 Fatty Acids
18.4 mg
Omega 6 Fatty Acids
66.7 mg
Amino Acids
 
Alanine
55.2 mg
Arginine
200 mg
Aspartate
317 mg
Cystine
18.4 mg
Glutamate
453 mg
Glycine
34.5 mg
Histidine
18.4 mg
Isoleucine
18.4 mg
Leucine
34.5 mg
Lysine
43.7 mg
Methionine
16.1 mg
Phenylalanine
106 mg
Proline
145 mg
Serine
64.4 mg
Threonine
29.9 mg
Tryptophan
18.4 mg
Tyrosine
18.4 mg
Valine
34.5 mg
 
Buying & Storing Tips 
  • While choosing grapefruits, you don’t have to worry about any type of skin discoloration, scratches or scales. Any such defect in physical appearance of the fruit will not have any impact on its taste or texture.
  • If you want to identify the rotten or the decayed variety of grapefruit, look for overly soft spots or areas that appear water-soaked. Such alterations change the general flavor of the fruit, making it bitter.
  • In case you are looking for varieties that have a higher concentration of juicy flesh, then go for the ones that are heavy for their size. This usually indicates that they have thin skin and fleshy pulp.
  • The consistency of a grapefruit should be firm. However, when mild pressure is applied, they should be slightly springy.
  • The best season for the purchase of grapefruits is from the onset of winter till the spring season.
  • To get a higher dose of antioxidants in your grapefruits, select the ones that are fully ripened.
  • If you want your grapefruits to be juicier, place them in a warm environment. This way, they can be stored for about a week. But if you want to keep them for a longer period, say about 2 to 3 weeks, then store them in the refrigerator. This will keep them crisp and fresh.

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