Tomato vs. Onion — In-Depth Nutrition Comparison
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Differences between tomato and onion
- Onion contains less vitamin C and vitamin K than tomato.
- Onion contains 27 times less Vitamin E than tomato. Tomato contains 0.54mg of Vitamin E, while onion contains 0.02mg.
The food types used in this comparison are Tomatoes, red, ripe, raw, year round average 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 more PotassiumPotassium | +62.3% |
| Contains more IronIron | +28.6% |
| Contains more CopperCopper | +51.3% |
| Contains more CalciumCalcium | +130% |
| Contains more PhosphorusPhosphorus | +20.8% |
| Contains less SodiumSodium | -20% |
| Contains more ManganeseManganese | +13.2% |
| Contains more SeleniumSelenium | +∞% |
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 | +85.1% |
| Contains more Vitamin AVitamin A | +41550% |
| Contains more Vitamin EVitamin E | +2600% |
| Contains more Vitamin B3Vitamin B3 | +412.1% |
| Contains more Vitamin KVitamin K | +1875% |
| Contains more Vitamin B1Vitamin B1 | +24.3% |
| Contains more Vitamin B2Vitamin B2 | +42.1% |
| Contains more Vitamin B5Vitamin B5 | +38.2% |
| Contains more Vitamin B6Vitamin B6 | +50% |
| Contains more FolateFolate | +26.7% |
Macronutrient Comparison
Macronutrient breakdown side-by-side comparison
| Contains more FatsFats | +100% |
| Contains more OtherOther | +45.7% |
| Contains more ProteinProtein | +25% |
| Contains more CarbsCarbs | +140.1% |
~equal in
Water
~89.11g
Fat Type Comparison
Fat type breakdown side-by-side comparison
| Contains less Sat. FatSaturated Fat | -33.3% |
| Contains more Mono. FatMonounsaturated Fat | +138.5% |
| Contains more Poly. FatPolyunsaturated fat | +388.2% |
Carbohydrate type comparison
Carbohydrate type breakdown side-by-side comparison
| Contains more SucroseSucrose | +∞% |
| Contains more GlucoseGlucose | +57.6% |
~equal in
Starch
~0g
~equal in
Fructose
~1.29g
~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 Saturated Fat |
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| Lower in Sodium |
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| Lower in Glycemic Index |
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| Lower in price |
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| Lower in Cholesterol | Equal | ||
| Rich in minerals | Equal | ||
| Rich in vitamins | Equal | ||
All nutrients comparison - raw data values
| Nutrient | |
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Opinion |
| Calories | 18kcal | 40kcal |
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| Protein | 0.88g | 1.1g |
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| Fats | 0.2g | 0.1g |
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| Vitamin C | 13.7mg | 7.4mg |
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| Net carbs | 2.69g | 7.64g |
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| Carbs | 3.89g | 9.34g |
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| Magnesium | 11mg | 10mg |
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| Calcium | 10mg | 23mg |
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| Potassium | 237mg | 146mg |
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| Iron | 0.27mg | 0.21mg |
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| Sugar | 2.63g | 4.24g |
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| Fiber | 1.2g | 1.7g |
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| Copper | 0.059mg | 0.039mg |
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| Zinc | 0.17mg | 0.17mg | |
| Phosphorus | 24mg | 29mg |
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| Sodium | 5mg | 4mg |
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| Vitamin A | 833IU | 2IU |
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| Vitamin A | 42µg | 0µg |
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| Vitamin E | 0.54mg | 0.02mg |
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| Manganese | 0.114mg | 0.129mg |
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| Selenium | 0µg | 0.5µg |
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| Vitamin B1 | 0.037mg | 0.046mg |
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| Vitamin B2 | 0.019mg | 0.027mg |
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| Vitamin B3 | 0.594mg | 0.116mg |
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| Vitamin B5 | 0.089mg | 0.123mg |
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| Vitamin B6 | 0.08mg | 0.12mg |
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| Vitamin K | 7.9µg | 0.4µg |
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| Folate | 15µg | 19µg |
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| Choline | 6.7mg | 6.1mg |
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| Saturated Fat | 0.028g | 0.042g |
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| Monounsaturated Fat | 0.031g | 0.013g |
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| Polyunsaturated fat | 0.083g | 0.017g |
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| Tryptophan | 0.006mg | 0.014mg |
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| Threonine | 0.027mg | 0.021mg |
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| Isoleucine | 0.018mg | 0.014mg |
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| Leucine | 0.025mg | 0.025mg | |
| Lysine | 0.027mg | 0.039mg |
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| Methionine | 0.006mg | 0.002mg |
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| Phenylalanine | 0.027mg | 0.025mg |
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| Valine | 0.018mg | 0.021mg |
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| Histidine | 0.014mg | 0.014mg | |
| Fructose | 1.37g | 1.29g |
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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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People also compare
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
9%
8%
Comparison summary
Which food is lower in Sugar?
Tomato is lower in Sugar (difference - 1.61g)
Which food is lower in Saturated Fat?
Tomato is lower in Saturated Fat (difference - 0.014g)
Which food contains less Sodium?
Onion contains less Sodium (difference - 1mg)
Which food is lower in glycemic index?
Onion is lower in glycemic index (difference - 8)
Which food is cheaper?
Onion is cheaper (difference - $0.2)
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food is richer in minerals?
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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.
Which food is richer in vitamins?
?
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.