Fruit facts: Grapefruit nutrition facts

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Nutrition, Health & Wellness

Grapefruit nutrition facts Grapefruit (Citrus x paradisi) is a tropical tree and is a hybrid.
It is a hybrid between sweet orange (Citrus sinensis) of Jamaica and pomelo (Citrus maxima) of Indonesia.
It was first bred by Captain Shaddock in Jamaica.
Grapefruit is a excellent source phytochemicals, antioxidants and micronutrients.
100g of grapefruit fruit provides nearly 50% of the daily requirement of vitamin C. It is also a good source of pectin fibre.
It contains high amounts of lycopene an antioxidant which gives the pink and red hue to the pulp of the fruit.
The seeds have been found to contain high levels of antioxidants. Its seed extract is claimed to have antibiotic properties.
The phytochemical naringin present in grapefruit increases the bio-availability of many of the drugs and medicines.
Nutrient values and weights given below are calculated for edible portion only. Approximately 50% of the fruit is wasted as peel, membranes, seed and core.

grapefruit slice
Slice of grapefruit

Fruit facts: Grapefruit nutrition

Nutrients
UnitsValue
per
100g
One cup
sections 230g
One medium
size 130g
Water g 90.89 209.05 116.34
Energy kcal 32 74 41
Carbohydrate g 8.08 18.58 10.34
Protein g 0.63 1.45 0.81
Lipid (fat) g 0.10 0.23 0.13
Sugars g 6.98 16.05 8.93
Ash g 0.31 0.71 0.40
Dietary fibre g 1.1 2.5 1.4

Fruit facts: Grape fruit minerals nutrition

Minerals
nutrition
UnitsValue per
100g
One cup
sections 230g
One medium
size 130g
Calcium mg 12 28 15
Selenium mcg 0.3 0.7 0.4
Iron mg 0.09 0.21 0.12
Fluoride mcg 1.0 2.3 1.3
Magnesium mg 8 18 10
Manganese mg 0.01 0.03 0.02
Phosphorus mg 8 18 10
Copper mg 0.05 0.11 0.06
Potassium mg 139 320 178
Zinc mg 0.07 0.16 0.09

Fruit facts: Grapefruit vitamins nutrition

Vitamins nutrition
UnitsValue
per 100g
One
cup
sections
230g
One
medium
size 130g
Vitamin C mg 34.4 79.1 44.0
Thiamin mg 0.04 0.08 0.05
Riboflavin mg 0.02 0.05 0.03
Niacin mg 0.25 0.58 0.32
Pantothenic acid mg 0.28 0.65 0.36
Vitamin B6 mg 0.04 0.10 0.05
Folate mcg 10 23 13
Choline mg 7.7 17.7 9.9
Vitamin A IU IU 927 2132 1187
Lycopene mcg 1135 2610 1453
Lutein + zeaxanthin mcg 6 14 8
Vitamin E (alpha-tocopherol) mg 0.13 0.30 0.17

Fruit facts: Grapefruit lipids nutrition

Lipids nutrition facts
UnitsValue
per 100g
One cup
sections
230g
One
medium
size
130g
Saturated fatty acids g 0.01 0.03 0.02
Monounsaturated fatty acids g 0.01 0.03 0.02
Polyunsaturated fatty acids g 0.02 0.06 0.03

Fruit facts: Grapefruit amino acids nutrition

Amino acids
UnitsValue per
100g
One cup
sections 230g
One medium
size 130g
Threonine g 0.01 0.03 0.01
Serine g 0.02 0.05 0.03
Leucine g 0.01 0.03 0.02
Proline g 0.05 0.12 0.07
Lysine g 0.02 0.04 0.02
Glycine g 0.01 0.03 0.02
Phenylalanine g 0.04 0.09 0.05
Glutamic acid g 0.16 0.37 0.21
Valine g 0.01 0.03 0.02
Aspartic acid g 0.11 0.26 0.14
Alanine g 0.02 0.05 0.03
Arginine g 0.07 0.16 0.09


Source: USDA National Nutrient Database (2009)

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