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  6. Tomato vs. Sweet onion

Tomato vs. Sweet onion — In-Depth Nutrition Comparison

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Summary of differences between tomatoes and sweet onion

  • Sweet onion has less vitamin A, vitamin C, and vitamin K than tomatoes.
  • Tomatoes cover your daily need for vitamin A, 17% more than sweet onion.
  • Tomatoes have 27 times more vitamin E than sweet onion. While tomatoes have 0.54mg of vitamin E, sweet onion has only 0.02mg.
  • Tomatoes have less sugar.

These are the specific foods used in this comparison Tomatoes, red, ripe, raw, year round average and Onions, sweet, raw.

Infographic

Tomato vs Sweet onion infographic
Infographic link

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.
Tomato
Tomato
5
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 7.9% 3% 21% 10% 20% 4.6% 10% 0.65% 15% 0%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 6.4% 6% 11% 9.8% 19% 3.5% 12% 1% 9.9% 2.7%
Contains more MagnesiumMagnesium +22.2%
Contains more PotassiumPotassium +99.2%
Contains more ZincZinc +30.8%
Contains less SodiumSodium -37.5%
Contains more ManganeseManganese +50%
Contains more CalciumCalcium +100%
Contains more PhosphorusPhosphorus +12.5%
Contains more SeleniumSelenium +∞%
~equal in Iron ~0.26mg
~equal in Copper ~0.056mg

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.
Tomato
Tomato
6
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 46% 14% 11% 0% 9.3% 4.4% 11% 5.3% 18% 0% 20% 11% 3.7%
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 16% 0% 0.4% 0% 10% 4.6% 2.5% 5.9% 30% 0% 0.75% 17% 3%
Contains more Vitamin CVitamin C +185.4%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +2600%
Contains more Vitamin B3Vitamin B3 +346.6%
Contains more Vitamin KVitamin K +2533.3%
Contains more CholineCholine +21.8%
Contains more Vitamin B1Vitamin B1 +10.8%
Contains more Vitamin B5Vitamin B5 +10.1%
Contains more Vitamin B6Vitamin B6 +62.5%
Contains more FolateFolate +53.3%
~equal in Vitamin D ~0µg
~equal in Vitamin B2 ~0.02mg
~equal in Vitamin B12 ~µg

All nutrients comparison - raw data values

Nutrient Tomato Sweet onion DV% diff.
Vitamin C 13.7mg 4.8mg 10%
Vitamin K 7.9µg 0.3µg 6%
Vitamin A 42µg 0µg 5%
Vitamin B6 0.08mg 0.13mg 4%
Vitamin B3 0.594mg 0.133mg 3%
Potassium 237mg 119mg 3%
Vitamin E 0.54mg 0.02mg 3%
Folate 15µg 23µg 2%
Manganese 0.114mg 0.076mg 2%
Calories 18kcal 32kcal 1%
Polyunsaturated fat 0.083g 1%
Selenium 0µg 0.5µg 1%
Fructose 1.37g 2.02g 1%
Fiber 1.2g 0.9g 1%
Calcium 10mg 20mg 1%
Carbs 3.89g 7.55g 1%
Protein 0.88g 0.8g 0%
Fats 0.2g 0.08g 0%
Net carbs 2.69g 6.65g N/A
Magnesium 11mg 9mg 0%
Iron 0.27mg 0.26mg 0%
Sugar 2.63g 5.02g N/A
Copper 0.059mg 0.056mg 0%
Zinc 0.17mg 0.13mg 0%
Phosphorus 24mg 27mg 0%
Sodium 5mg 8mg 0%
Vitamin B1 0.037mg 0.041mg 0%
Vitamin B2 0.019mg 0.02mg 0%
Vitamin B5 0.089mg 0.098mg 0%
Saturated fat 0.028g 0%
Choline 6.7mg 5.5mg 0%
Monounsaturated fat 0.031g 0%
Tryptophan 0.006mg 0.009mg 0%
Threonine 0.027mg 0.018mg 0%
Isoleucine 0.018mg 0.014mg 0%
Leucine 0.025mg 0.025mg 0%
Lysine 0.027mg 0.033mg 0%
Methionine 0.006mg 0.009mg 0%
Phenylalanine 0.027mg 0.024mg 0%
Valine 0.018mg 0.02mg 0%
Histidine 0.014mg 0.011mg 0%

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Tomato
Tomato
4
4% 95%
Protein: 0.88 g
Fats: 0.2 g
Carbs: 3.89 g
Water: 94.52 g
Other: 0.51 g
8% 91%
Protein: 0.8 g
Fats: 0.08 g
Carbs: 7.55 g
Water: 91.24 g
Other: 0.33 g
Contains more FatsFats +150%
Contains more OtherOther +54.5%
Contains more CarbsCarbs +94.1%
~equal in Protein ~0.8g
~equal in Water ~91.24g

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Tomato
Tomato
0
48% 52%
Starch: 0 g
Sucrose: 0 g
Glucose: 1.25 g
Fructose: 1.37 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
14% 45% 40%
Starch: 0 g
Sucrose: 0.72 g
Glucose: 2.26 g
Fructose: 2.02 g
Lactose: 0.02 g
Maltose: 0 g
Galactose: 0 g
Contains more SucroseSucrose +∞%
Contains more GlucoseGlucose +80.8%
Contains more FructoseFructose +47.4%
Contains more LactoseLactose +∞%
~equal in Starch ~0g
~equal in Maltose ~0g
~equal in Galactose ~0g

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References

All the values for which the sources are not specified explicitly are taken from FDA’s Food Central. The exact link to the food presented on this page can be found below.

  1. Tomato - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170457/nutrients
  2. Sweet onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170008/nutrients

All the Daily Values are presented for males aged 31-50, for 2000-calorie diets.

Data provided by FoodStruct.com should be considered and used as information only. Please consult your physician before beginning any diet.