Grapefruit vs. Onion — In-Depth Nutrition Comparison
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The main differences between grapefruit and onions
- Grapefruit has more vitamin C and vitamin A; however, onions have more vitamin B6.
- Daily need coverage for vitamin C for grapefruit is 26% higher.
- Onions have 575 times less vitamin A than grapefruit. Grapefruit has 1150IU of vitamin A, while onions have 2IU.
- Onions are lower in sugar.
Food types used in this article are Grapefruit, raw, pink and red, all areas and Onions, raw.
Infographic
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Mineral Comparison
Mineral comparison score is based on the number of minerals by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
| Contains less SodiumSodium | -100% |
| Contains more MagnesiumMagnesium | +11.1% |
| Contains more IronIron | +162.5% |
| Contains more CopperCopper | +21.9% |
| Contains more ZincZinc | +142.9% |
| Contains more PhosphorusPhosphorus | +61.1% |
| Contains more ManganeseManganese | +486.4% |
| Contains more SeleniumSelenium | +400% |
Vitamin Comparison
Vitamin comparison score is based on the number of vitamins by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
| Contains more Vitamin CVitamin C | +321.6% |
| Contains more Vitamin AVitamin A | +∞% |
| Contains more Vitamin EVitamin E | +550% |
| Contains more Vitamin B2Vitamin B2 | +14.8% |
| Contains more Vitamin B3Vitamin B3 | +75.9% |
| Contains more Vitamin B5Vitamin B5 | +113% |
| Contains more CholineCholine | +26.2% |
| Contains more Vitamin B6Vitamin B6 | +126.4% |
| Contains more Vitamin KVitamin K | +∞% |
| Contains more FolateFolate | +46.2% |
Macronutrient Comparison
Macronutrient breakdown side-by-side comparison
Protein:
0.77 g
Fats:
0.14 g
Carbs:
10.66 g
Water:
88.06 g
Other:
0.37 g
Protein:
1.1 g
Fats:
0.1 g
Carbs:
9.34 g
Water:
89.11 g
Other:
0.35 g
| Contains more FatsFats | +40% |
| Contains more CarbsCarbs | +14.1% |
| Contains more ProteinProtein | +42.9% |
~equal in
Water
~89.11g
~equal in
Other
~0.35g
Fat Type Comparison
Fat type breakdown side-by-side comparison
Saturated fat:
Sat. Fat
0.021 g
Monounsaturated fat:
Mono. Fat
0.02 g
Polyunsaturated fat:
Poly. Fat
0.036 g
Saturated fat:
Sat. Fat
0.042 g
Monounsaturated fat:
Mono. Fat
0.013 g
Polyunsaturated fat:
Poly. Fat
0.017 g
| Contains less Sat. FatSaturated fat | -50% |
| Contains more Mono. FatMonounsaturated fat | +53.8% |
| Contains more Poly. FatPolyunsaturated fat | +111.8% |
Carbohydrate type comparison
Carbohydrate type breakdown side-by-side comparison
Starch:
0 g
Sucrose:
3.51 g
Glucose:
1.61 g
Fructose:
1.77 g
Lactose:
0 g
Maltose:
0 g
Galactose:
0 g
Starch:
0 g
Sucrose:
0.99 g
Glucose:
1.97 g
Fructose:
1.29 g
Lactose:
0 g
Maltose:
0 g
Galactose:
0 g
| Contains more SucroseSucrose | +254.5% |
| Contains more FructoseFructose | +37.2% |
| Contains more GlucoseGlucose | +22.4% |
~equal in
Starch
~0g
~equal in
Lactose
~0g
~equal in
Maltose
~0g
~equal in
Galactose
~0g
Comparison summary table
Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
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| Lower in Sugar |
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| Lower in Glycemic Index |
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| Lower in price |
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| Rich in minerals |
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| Lower in Sodium |
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| Lower in Saturated fat |
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| Lower in Cholesterol | Equal | ||
| Rich in vitamins | Equal | ||
All nutrients comparison - raw data values
| Nutrient | |
|
DV% diff. |
| Vitamin C | 31.2mg | 7.4mg | 26% |
| Vitamin A | 58µg | 0µg | 6% |
| Vitamin B6 | 0.053mg | 0.12mg | 5% |
| Manganese | 0.022mg | 0.129mg | 5% |
| Vitamin B5 | 0.262mg | 0.123mg | 3% |
| Folate | 13µg | 19µg | 2% |
| Iron | 0.08mg | 0.21mg | 2% |
| Phosphorus | 18mg | 29mg | 2% |
| Fructose | 1.77g | 1.29g | 1% |
| Vitamin B3 | 0.204mg | 0.116mg | 1% |
| Protein | 0.77g | 1.1g | 1% |
| Selenium | 0.1µg | 0.5µg | 1% |
| Vitamin E | 0.13mg | 0.02mg | 1% |
| Copper | 0.032mg | 0.039mg | 1% |
| Zinc | 0.07mg | 0.17mg | 1% |
| Calories | 42kcal | 40kcal | 0% |
| Fats | 0.14g | 0.1g | 0% |
| Carbs | 10.66g | 9.34g | 0% |
| Net carbs | 9.06g | 7.64g | N/A |
| Magnesium | 9mg | 10mg | 0% |
| Calcium | 22mg | 23mg | 0% |
| Potassium | 135mg | 146mg | 0% |
| Sugar | 6.89g | 4.24g | N/A |
| Fiber | 1.6g | 1.7g | 0% |
| Sodium | 0mg | 4mg | 0% |
| Vitamin B1 | 0.043mg | 0.046mg | 0% |
| Vitamin B2 | 0.031mg | 0.027mg | 0% |
| Vitamin K | 0µg | 0.4µg | 0% |
| Choline | 7.7mg | 6.1mg | 0% |
| Saturated fat | 0.021g | 0.042g | 0% |
| Monounsaturated fat | 0.02g | 0.013g | 0% |
| Polyunsaturated fat | 0.036g | 0.017g | 0% |
| Tryptophan | 0.008mg | 0.014mg | 0% |
| Threonine | 0.013mg | 0.021mg | 0% |
| Isoleucine | 0.008mg | 0.014mg | 0% |
| Leucine | 0.015mg | 0.025mg | 0% |
| Lysine | 0.019mg | 0.039mg | 0% |
| Methionine | 0.007mg | 0.002mg | 0% |
| Phenylalanine | 0.013mg | 0.025mg | 0% |
| Valine | 0.015mg | 0.021mg | 0% |
| Histidine | 0.008mg | 0.014mg | 0% |
Which food is preferable for your diet?
is better in case of low diet
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| Low Calories diet |
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| Low Fats diet |
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| Low Carbs diet |
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| Low Glycemic Index diet |
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Vitamins & Minerals Daily Need Coverage Score
The summary scores indicate the extent to which this food can fulfill your daily vitamin and mineral requirements if you consume 3 servings, consisting of 100 grams of each (an approximation of 3 serving sizes).
Vitamins Daily Need Coverage Score
15%
8%
Minerals Daily Need Coverage Score
5%
8%
Comparison summary
Which food is lower in Sugar?
Onion is lower in Sugar (difference - 2.65g)
Which food is lower in glycemic index?
Onion is lower in glycemic index (difference - 10)
Which food is cheaper?
Onion is cheaper (difference - $0.1)
Which food is richer in minerals?
Onion is relatively richer in minerals
Which food contains less Sodium?
Grapefruit contains less Sodium (difference - 4mg)
Which food is lower in Saturated fat?
Grapefruit is lower in Saturated fat (difference - 0.021g)
Which food contains less Cholesterol?
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The foods are relatively equal in Cholesterol (0 mg)
Which food is richer in vitamins?
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It cannot be stated which food is richer in vitamins. See the charts below for detailed information. See the charts below for detailed information. See the charts below for detailed information.