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Onion vs. Carrot — In-Depth Nutrition Comparison

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What are the main differences between onions and carrots?

  • Onions have less vitamin A, vitamin K, vitamin B3, and potassium than carrots.
  • Carrots' daily need coverage for vitamin A is 334% higher.
  • Onions have a lower glycemic index than carrots.

We used Onions, raw and Carrots, raw types in this comparison.

Infographic

Onion vs Carrot 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.
Onion
2
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 7.1% 6.9% 13% 7.9% 13% 4.6% 12% 0.52% 17% 2.7%
Carrot
8
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 8.6% 9.9% 28% 11% 15% 6.5% 15% 9% 19% 0.55%
Contains less SodiumSodium -94.2%
Contains more SeleniumSelenium +400%
Contains more MagnesiumMagnesium +20%
Contains more CalciumCalcium +43.5%
Contains more PotassiumPotassium +119.2%
Contains more IronIron +42.9%
Contains more CopperCopper +15.4%
Contains more ZincZinc +41.2%
Contains more PhosphorusPhosphorus +20.7%
Contains more ManganeseManganese +10.9%

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.
Onion
1
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 25% 0% 0.4% 0% 12% 6.2% 2.2% 7.4% 28% 0% 1% 14% 3.3%
Carrot
9
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 20% 278% 13% 0% 17% 13% 18% 16% 32% 0% 33% 14% 4.8%
Contains more Vitamin CVitamin C +25.4%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +3200%
Contains more Vitamin B1Vitamin B1 +43.5%
Contains more Vitamin B2Vitamin B2 +114.8%
Contains more Vitamin B3Vitamin B3 +747.4%
Contains more Vitamin B5Vitamin B5 +122%
Contains more Vitamin B6Vitamin B6 +15%
Contains more Vitamin KVitamin K +3200%
Contains more CholineCholine +44.3%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg
~equal in Folate ~19µg

All nutrients comparison - raw data values

Nutrient Onion Carrot DV% diff.
Vitamin A 0µg 835µg 93%
Vitamin K 0.4µg 13.2µg 11%
Vitamin B3 0.116mg 0.983mg 5%
Potassium 146mg 320mg 5%
Fiber 1.7g 2.8g 4%
Vitamin E 0.02mg 0.66mg 4%
Sodium 4mg 69mg 3%
Vitamin B5 0.123mg 0.273mg 3%
Vitamin B1 0.046mg 0.066mg 2%
Vitamin C 7.4mg 5.9mg 2%
Vitamin B2 0.027mg 0.058mg 2%
Polyunsaturated fat 0.017g 0.117g 1%
Vitamin B6 0.12mg 0.138mg 1%
Selenium 0.5µg 0.1µg 1%
Manganese 0.129mg 0.143mg 1%
Fructose 1.29g 0.55g 1%
Phosphorus 29mg 35mg 1%
Iron 0.21mg 0.3mg 1%
Zinc 0.17mg 0.24mg 1%
Copper 0.039mg 0.045mg 1%
Starch 0g 1.43g 1%
Calcium 23mg 33mg 1%
Calories 40kcal 41kcal 0%
Protein 1.1g 0.93g 0%
Fats 0.1g 0.24g 0%
Carbs 9.34g 9.58g 0%
Net carbs 7.64g 6.78g N/A
Magnesium 10mg 12mg 0%
Sugar 4.24g 4.74g N/A
Folate 19µg 19µg 0%
Saturated fat 0.042g 0.037g 0%
Choline 6.1mg 8.8mg 0%
Monounsaturated fat 0.013g 0.014g 0%
Tryptophan 0.014mg 0.012mg 0%
Threonine 0.021mg 0.191mg 0%
Isoleucine 0.014mg 0.077mg 0%
Leucine 0.025mg 0.102mg 0%
Lysine 0.039mg 0.101mg 0%
Methionine 0.002mg 0.02mg 0%
Phenylalanine 0.025mg 0.061mg 0%
Valine 0.021mg 0.069mg 0%
Histidine 0.014mg 0.04mg 0%

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Onion
2
9% 89%
Protein: 1.1 g
Fats: 0.1 g
Carbs: 9.34 g
Water: 89.11 g
Other: 0.35 g
Carrot
3
10% 88%
Protein: 0.93 g
Fats: 0.24 g
Carbs: 9.58 g
Water: 88.29 g
Other: 0.96 g
Contains more ProteinProtein +18.3%
Contains more FatsFats +140%
Contains more OtherOther +174.3%
~equal in Carbs ~9.58g
~equal in Water ~88.29g

Fat Type Comparison

Fat type breakdown side-by-side comparison
Onion
0
58% 18% 24%
Saturated fat: Sat. Fat 0.042 g
Monounsaturated fat: Mono. Fat 0.013 g
Polyunsaturated fat: Poly. Fat 0.017 g
Carrot
3
22% 8% 70%
Saturated fat: Sat. Fat 0.037 g
Monounsaturated fat: Mono. Fat 0.014 g
Polyunsaturated fat: Poly. Fat 0.117 g
Contains less Sat. FatSaturated fat -11.9%
Contains more Poly. FatPolyunsaturated fat +588.2%
~equal in Monounsaturated fat ~0.014g

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Onion
2
23% 46% 30%
Starch: 0 g
Sucrose: 0.99 g
Glucose: 1.97 g
Fructose: 1.29 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Carrot
2
23% 58% 10% 9%
Starch: 1.43 g
Sucrose: 3.59 g
Glucose: 0.59 g
Fructose: 0.55 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Contains more GlucoseGlucose +233.9%
Contains more FructoseFructose +134.5%
Contains more StarchStarch +∞%
Contains more SucroseSucrose +262.6%
~equal in Lactose ~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. Onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170000/nutrients
  2. Carrot - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170393/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.