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Sweet onion vs. Fennel — In-Depth Nutrition Comparison

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Differences between sweet onion and fennel

  • Sweet onion has more vitamin B6, while fennel has more vitamin K, vitamin A, fiber, potassium, vitamin C, and iron.
  • Fennel's daily need coverage for vitamin K is 52% higher.
  • Fennel contains 3 times less vitamin B6 than sweet onion. Sweet onion contains 0.13mg of vitamin B6, while fennel contains 0.047mg.

The food types used in this comparison are Onions, sweet, raw and Fennel, bulb, raw.

Infographic

Sweet onion vs Fennel 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.
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%
Fennel
9
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 12% 15% 37% 27% 22% 5.5% 21% 6.8% 25% 3.8%
Contains less SodiumSodium -84.6%
Contains more MagnesiumMagnesium +88.9%
Contains more CalciumCalcium +145%
Contains more PotassiumPotassium +247.9%
Contains more IronIron +180.8%
Contains more CopperCopper +17.9%
Contains more ZincZinc +53.8%
Contains more PhosphorusPhosphorus +85.2%
Contains more ManganeseManganese +151.3%
Contains more SeleniumSelenium +40%

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.
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%
Fennel
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 40% 16% 12% 0% 2.5% 7.4% 12% 14% 11% 0% 157% 20% 7.2%
Contains more Vitamin B1Vitamin B1 +310%
Contains more Vitamin B6Vitamin B6 +176.6%
Contains more Vitamin CVitamin C +150%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +2800%
Contains more Vitamin B2Vitamin B2 +60%
Contains more Vitamin B3Vitamin B3 +381.2%
Contains more Vitamin B5Vitamin B5 +136.7%
Contains more Vitamin KVitamin K +20833.3%
Contains more FolateFolate +17.4%
Contains more CholineCholine +140%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

All nutrients comparison - raw data values

Nutrient Sweet onion Fennel DV% diff.
Vitamin K 0.3µg 62.8µg 52%
Potassium 119mg 414mg 9%
Fiber 0.9g 3.1g 9%
Vitamin C 4.8mg 12mg 8%
Vitamin B6 0.13mg 0.047mg 6%
Iron 0.26mg 0.73mg 6%
Manganese 0.076mg 0.191mg 5%
Vitamin A 0µg 48µg 5%
Vitamin E 0.02mg 0.58mg 4%
Fructose 2.02g 3%
Phosphorus 27mg 50mg 3%
Vitamin B5 0.098mg 0.232mg 3%
Vitamin B3 0.133mg 0.64mg 3%
Vitamin B1 0.041mg 0.01mg 3%
Calcium 20mg 49mg 3%
Magnesium 9mg 17mg 2%
Sodium 8mg 52mg 2%
Zinc 0.13mg 0.2mg 1%
Polyunsaturated fat 0.169g 1%
Folate 23µg 27µg 1%
Choline 5.5mg 13.2mg 1%
Vitamin B2 0.02mg 0.032mg 1%
Copper 0.056mg 0.066mg 1%
Protein 0.8g 1.24g 1%
Calories 32kcal 31kcal 0%
Fats 0.08g 0.2g 0%
Net carbs 6.65g 4.2g N/A
Carbs 7.55g 7.3g 0%
Sugar 5.02g 3.93g N/A
Selenium 0.5µg 0.7µg 0%
Saturated fat 0.09g 0%
Monounsaturated fat 0.068g 0%
Tryptophan 0.009mg 0%
Threonine 0.018mg 0%
Isoleucine 0.014mg 0%
Leucine 0.025mg 0%
Lysine 0.033mg 0%
Methionine 0.009mg 0%
Phenylalanine 0.024mg 0%
Valine 0.02mg 0%
Histidine 0.011mg 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
Fennel
3
7% 90%
Protein: 1.24 g
Fats: 0.2 g
Carbs: 7.3 g
Water: 90.21 g
Other: 1.05 g
Contains more ProteinProtein +55%
Contains more FatsFats +150%
Contains more OtherOther +218.2%
~equal in Carbs ~7.3g
~equal in Water ~90.21g

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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. Fennel - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169385/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.