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  6. Sweet onion vs. Tomato

Sweet onion vs. Tomato — In-Depth Nutrition Comparison

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Summary of differences between sweet onions and tomatoes

  • Sweet onions have less vitamin C and vitamin K than tomatoes.
  • Sweet onions have 2 times more carbs than tomatoes. While sweet onions have 7.55g of carbs, tomatoes have only 3.89g.
  • Tomatoes have less sugar.

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

Infographic

Sweet onion vs Tomato infographic
Infographic link

Mineral Comparison

The mineral comparison score is based on which food has a more favorable amount of each mineral. The �coverage� charts below show how much of the daily mineral needs are covered by the selected amount of each food.
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%
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%
Contains more CalciumCalcium +100%
Contains more PhosphorusPhosphorus +12.5%
Contains more SeleniumSelenium +∞%
Contains more MagnesiumMagnesium +22.2%
Contains more PotassiumPotassium +99.2%
Contains more ZincZinc +30.8%
Contains less SodiumSodium -37.5%
Contains more ManganeseManganese +50%
~equal in Iron ~0.27mg
~equal in Copper ~0.059mg

Vitamin Comparison

The vitamin comparison score is based on the number of vitamins in which one food is richer than the other. The �coverage� charts below show how much of the daily vitamin needs are covered by the selected amount of each food.
Vitamin C Vit. C Vitamin D Vit. D Vitamin A Vit. A Vitamin E Vit. E 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 16% 0% 0% 0.4% 10% 4.6% 2.5% 5.9% 30% 0% 0.75% 17%
Tomato
Tomato
5
Vitamin C Vit. C Vitamin D Vit. D Vitamin A Vit. A Vitamin E Vit. E 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 46% 0% 14% 11% 9.3% 4.4% 11% 5.3% 18% 0% 20% 11%
Contains more Vitamin B6Vitamin B6 +62.5%
Contains more FolateFolate +53.3%
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%
~equal in Vitamin D ~0µg
~equal in Vitamin B1 ~0.037mg
~equal in Vitamin B2 ~0.019mg
~equal in Vitamin B5 ~0.089mg
~equal in Vitamin B12 ~0µg

All nutrients comparison - raw data values

Nutrient Sweet onion Tomato DV% diff.
Vitamin C 4.8mg 13.7mg 10%
Vitamin K 0.3µg 7.9µg 6%
Vitamin A 0µg 42µg 5%
Vitamin B6 0.13mg 0.08mg 4%
Potassium 119mg 237mg 3%
Vitamin E 0.02mg 0.54mg 3%
Vitamin B3 0.133mg 0.594mg 3%
Manganese 0.076mg 0.114mg 2%
Folate 23µg 15µg 2%
Calories 32kcal 18kcal 1%
Carbs 7.55g 3.89g 1%
Calcium 20mg 10mg 1%
Fiber 0.9g 1.2g 1%
Selenium 0.5µg 0µg 1%
Polyunsaturated fat 0.083g 1%
Fructose 2.02g 1.37g 1%
Protein 0.8g 0.88g 0%
Protein per 100 calories 2.5g 4.9g N/A
Calories per 10 g protein 400kcal 205kcal N/A
Weight per 100 calories 313g 556g N/A
Fats 0.08g 0.2g 0%
Net carbs 6.65g 2.69g N/A
Magnesium 9mg 11mg 0%
Iron 0.26mg 0.27mg 0%
Sugar 5.02g 2.63g N/A
Copper 0.056mg 0.059mg 0%
Zinc 0.13mg 0.17mg 0%
Phosphorus 27mg 24mg 0%
Sodium 8mg 5mg 0%
Vitamin B1 0.041mg 0.037mg 0%
Vitamin B2 0.02mg 0.019mg 0%
Vitamin B5 0.098mg 0.089mg 0%
Choline 5.5mg 6.7mg 0%
Saturated fat 0.028g 0%
Monounsaturated fat 0.031g 0%
Tryptophan 0.009mg 0.006mg 0%
Threonine 0.018mg 0.027mg 0%
Isoleucine 0.014mg 0.018mg 0%
Leucine 0.025mg 0.025mg 0%
Lysine 0.033mg 0.027mg 0%
Methionine 0.009mg 0.006mg 0%
Phenylalanine 0.024mg 0.027mg 0%
Valine 0.02mg 0.018mg 0%
Histidine 0.011mg 0.014mg 0%

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
8% 91%
Protein: 0.8 g
Fats: 0.08 g
Carbs: 7.55 g
Water: 91.24 g
Other: 0.33 g
Tomato
Tomato
3
4% 95%
Protein: 0.88 g
Fats: 0.2 g
Carbs: 3.89 g
Water: 94.52 g
Other: 0.51 g
Contains more CarbsCarbs +94.1%
Contains more FatsFats +150%
~equal in Protein ~0.88g
~equal in Water ~94.52g

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
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
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
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. Sweet onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170008/nutrients
  2. Tomato - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170457/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.