Fruit facts: Grapefruit nutrition facts

Grapefruit nutrition facts > grapefruit facts > Health benefits
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.

Slice of grapefruit

Fruit facts: Grapefruit nutrition

Nutrients	Units	Value 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	Units	Value 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	Units	Value 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	Units	Value 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	Units	Value 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)