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  6. Sweet onion vs. Fennel

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, Fiber, Potassium, Vitamin C, Iron, and Vitamin A RAE.
  • 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
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.
Sweet onion
Sweet onion
1
:
9
Fennel
Fennel
Contains less Sodium -84.6%
Contains more Calcium +145%
Contains more Iron +180.8%
Contains more Magnesium +88.9%
Contains more Phosphorus +85.2%
Contains more Potassium +247.9%
Contains more Zinc +53.8%
Contains more Copper +17.9%
Contains more Manganese +151.3%
Contains more Selenium +40%
Sweet onion
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 6% 10% 7% 12% 11% 2% 4% 19% 10% 3%
Fennel
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 15% 28% 13% 22% 37% 7% 6% 22% 25% 4%
Contains less Sodium -84.6%
Contains more Calcium +145%
Contains more Iron +180.8%
Contains more Magnesium +88.9%
Contains more Phosphorus +85.2%
Contains more Potassium +247.9%
Contains more Zinc +53.8%
Contains more Copper +17.9%
Contains more Manganese +151.3%
Contains more Selenium +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.
Sweet onion
Sweet onion
2
:
9
Fennel
Fennel
Contains more Vitamin B1 +310%
Contains more Vitamin B6 +176.6%
Contains more Vitamin A +96200%
Contains more Vitamin E +2800%
Contains more Vitamin C +150%
Contains more Vitamin B2 +60%
Contains more Vitamin B3 +381.2%
Contains more Vitamin B5 +136.7%
Contains more Folate +17.4%
Contains more Vitamin K +20833.3%
Sweet onion
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 1% 1% 0% 16% 11% 5% 3% 6% 30% 18% 0% 1%
Fennel
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 58% 12% 0% 40% 3% 8% 12% 14% 11% 21% 0% 157%
Contains more Vitamin B1 +310%
Contains more Vitamin B6 +176.6%
Contains more Vitamin A +96200%
Contains more Vitamin E +2800%
Contains more Vitamin C +150%
Contains more Vitamin B2 +60%
Contains more Vitamin B3 +381.2%
Contains more Vitamin B5 +136.7%
Contains more Folate +17.4%
Contains more Vitamin K +20833.3%

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Sweet onion
Sweet onion
2
:
3
Fennel
Fennel
Contains more Protein +55%
Contains more Fats +150%
Contains more Other +218.2%
Equal in Carbs - 7.3
Equal in Water - 90.21
Sweet onion
8% 91%
Protein: 0.8 g
Fats: 0.08 g
Carbs: 7.55 g
Water: 91.24 g
Other: 0.33 g
Fennel
7% 90%
Protein: 1.24 g
Fats: 0.2 g
Carbs: 7.3 g
Water: 90.21 g
Other: 1.05 g
Contains more Protein +55%
Contains more Fats +150%
Contains more Other +218.2%
Equal in Carbs - 7.3
Equal in Water - 90.21

Comparison summary table

Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
Sweet onion Fennel
Lower in Sodium ok
Lower in Saturated Fat ok
Lower in Glycemic Index ok
Lower in price ok
Lower in Sugar ok
Rich in minerals ok
Rich in vitamins ok
Lower in Cholesterol Equal

All nutrients comparison - raw data values

Nutrient Sweet onion Fennel Opinion
Net carbs 6.65g 4.2g Sweet onion
Protein 0.8g 1.24g Fennel
Fats 0.08g 0.2g Fennel
Carbs 7.55g 7.3g Sweet onion
Calories 32kcal 31kcal Sweet onion
Fructose 2.02g Sweet onion
Sugar 5.02g 3.93g Fennel
Fiber 0.9g 3.1g Fennel
Calcium 20mg 49mg Fennel
Iron 0.26mg 0.73mg Fennel
Magnesium 9mg 17mg Fennel
Phosphorus 27mg 50mg Fennel
Potassium 119mg 414mg Fennel
Sodium 8mg 52mg Sweet onion
Zinc 0.13mg 0.2mg Fennel
Copper 0.056mg 0.066mg Fennel
Manganese 0.076mg 0.191mg Fennel
Selenium 0.5µg 0.7µg Fennel
Vitamin A 1IU 963IU Fennel
Vitamin A RAE 0µg 48µg Fennel
Vitamin E 0.02mg 0.58mg Fennel
Vitamin C 4.8mg 12mg Fennel
Vitamin B1 0.041mg 0.01mg Sweet onion
Vitamin B2 0.02mg 0.032mg Fennel
Vitamin B3 0.133mg 0.64mg Fennel
Vitamin B5 0.098mg 0.232mg Fennel
Vitamin B6 0.13mg 0.047mg Sweet onion
Folate 23µg 27µg Fennel
Vitamin K 0.3µg 62.8µg Fennel
Tryptophan 0.009mg Sweet onion
Threonine 0.018mg Sweet onion
Isoleucine 0.014mg Sweet onion
Leucine 0.025mg Sweet onion
Lysine 0.033mg Sweet onion
Methionine 0.009mg Sweet onion
Phenylalanine 0.024mg Sweet onion
Valine 0.02mg Sweet onion
Histidine 0.011mg Sweet onion
Saturated Fat 0.09g Sweet onion
Monounsaturated Fat 0.068g Fennel
Polyunsaturated fat 0.169g Fennel

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Sweet onion Fennel
Low Fats diet ok
Low Carbs diet ok
Low Calories diet ok
Low Glycemic Index diet ok

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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
7%
Sweet onion
28%
Fennel
Minerals Daily Need Coverage Score
8%
Sweet onion
18%
Fennel

Comparison summary

Which food contains less Sodium?
Sweet onion
Sweet onion contains less Sodium (difference - 44mg)
Which food is lower in Saturated Fat?
Sweet onion
Sweet onion is lower in Saturated Fat (difference - 0.09g)
Which food is lower in glycemic index?
Sweet onion
Sweet onion is lower in glycemic index (difference - 45)
Which food is cheaper?
Sweet onion
Sweet onion is cheaper (difference - $0.2)
Which food is lower in Sugar?
Fennel
Fennel is lower in Sugar (difference - 1.09g)
Which food is richer in minerals?
Fennel
Fennel is relatively richer in minerals
Which food is richer in vitamins?
Fennel
Fennel is relatively richer in vitamins
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)

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.