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Onion rings vs. Fennel — In-Depth Nutrition Comparison

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Summary of differences between Onion rings and Fennel

  • Onion rings has more Vitamin B1, Selenium, Manganese, Iron, and Vitamin B2, however, Fennel is higher in Vitamin K, Vitamin C, and Potassium.
  • Fennel covers your daily need of Vitamin K 24% more than Onion rings.
  • Onion rings has 24 times more Saturated Fat than Fennel. While Onion rings has 2.137g of Saturated Fat, Fennel has only 0.09g.

These are the specific foods used in this comparison Onion rings, breaded, par fried, frozen, prepared, heated in oven and Fennel, bulb, raw.

Infographic

Onion rings 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.
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 12% 9.3% 11% 47% 24% 11% 30% 48% 45% 31%
Fennel
3
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 more IronIron +71.2%
Contains more ZincZinc +110%
Contains more PhosphorusPhosphorus +42%
Contains more ManganeseManganese +82.2%
Contains more SeleniumSelenium +700%
Contains more CalciumCalcium +58.1%
Contains more PotassiumPotassium +236.6%
Contains less SodiumSodium -85.9%
~equal in Magnesium ~17mg
~equal in Copper ~0.066mg

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 5.3% 0% 9.2% 0% 46% 27% 25% 18% 27% 0% 85% 25% 5.8%
Fennel
5
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% 58% 12% 0% 2.5% 7.4% 12% 14% 11% 0% 157% 20% 7.2%
Contains more Vitamin B1Vitamin B1 +1750%
Contains more Vitamin B2Vitamin B2 +262.5%
Contains more Vitamin B3Vitamin B3 +110.8%
Contains more Vitamin B5Vitamin B5 +26.7%
Contains more Vitamin B6Vitamin B6 +148.9%
Contains more FolateFolate +22.2%
Contains more Vitamin CVitamin C +650%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +26.1%
Contains more Vitamin KVitamin K +84.2%
Contains more CholineCholine +23.4%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
4% 14% 34% 46%
Protein: 4.14 g
Fats: 14.3 g
Carbs: 33.79 g
Water: 46.37 g
Other: 1.4 g
Fennel
1
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 +233.9%
Contains more FatsFats +7050%
Contains more CarbsCarbs +362.9%
Contains more OtherOther +33.3%
Contains more WaterWater +94.5%

Fat Type Comparison

Fat type breakdown side-by-side comparison
17% 23% 60%
Saturated Fat: Sat. Fat 2.137 g
Monounsaturated Fat: Mono. Fat 3 g
Polyunsaturated fat: Poly. Fat 7.633 g
Fennel
1
28% 21% 52%
Saturated Fat: Sat. Fat 0.09 g
Monounsaturated Fat: Mono. Fat 0.068 g
Polyunsaturated fat: Poly. Fat 0.169 g
Contains more Mono. FatMonounsaturated Fat +4311.8%
Contains more Poly. FatPolyunsaturated fat +4416.6%
Contains less Sat. FatSaturated Fat -95.8%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Onion rings Fennel Opinion
Calories 276kcal 31kcal Onion rings
Protein 4.14g 1.24g Onion rings
Fats 14.3g 0.2g Onion rings
Vitamin C 1.6mg 12mg Fennel
Net carbs 31.59g 4.2g Onion rings
Carbs 33.79g 7.3g Onion rings
Magnesium 17mg 17mg
Calcium 31mg 49mg Fennel
Potassium 123mg 414mg Fennel
Iron 1.25mg 0.73mg Onion rings
Sugar 5.1g 3.93g Fennel
Fiber 2.2g 3.1g Fennel
Copper 0.073mg 0.066mg Onion rings
Zinc 0.42mg 0.2mg Onion rings
Starch 25.58g Onion rings
Phosphorus 71mg 50mg Onion rings
Sodium 370mg 52mg Fennel
Vitamin A 0IU 963IU Fennel
Vitamin A 0µg 48µg Fennel
Vitamin E 0.46mg 0.58mg Fennel
Manganese 0.348mg 0.191mg Onion rings
Selenium 5.6µg 0.7µg Onion rings
Vitamin B1 0.185mg 0.01mg Onion rings
Vitamin B2 0.116mg 0.032mg Onion rings
Vitamin B3 1.349mg 0.64mg Onion rings
Vitamin B5 0.294mg 0.232mg Onion rings
Vitamin B6 0.117mg 0.047mg Onion rings
Vitamin K 34.1µg 62.8µg Fennel
Folate 33µg 27µg Onion rings
Trans Fat 0.053g 0g Fennel
Choline 10.7mg 13.2mg Fennel
Saturated Fat 2.137g 0.09g Fennel
Monounsaturated Fat 3g 0.068g Onion rings
Polyunsaturated fat 7.633g 0.169g Onion rings
Tryptophan 0.07mg Onion rings
Threonine 0.15mg Onion rings
Isoleucine 0.214mg Onion rings
Leucine 0.35mg Onion rings
Lysine 0.151mg Onion rings
Methionine 0.081mg Onion rings
Phenylalanine 0.243mg Onion rings
Valine 0.216mg Onion rings
Histidine 0.109mg Onion rings
Fructose 1.26g Onion rings
Omega-3 - ALA 0.789g Onion rings
Omega-6 - Gamma-linoleic acid 0.047g Onion rings
Omega-6 - Eicosadienoic acid 0.003g Onion rings
Omega-6 - Linoleic acid 6.346g Onion rings

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Onion rings Fennel
Low Calories diet ok
Low Fats diet ok
Low Carbs 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
21%
Onion rings
26%
Fennel
Minerals Daily Need Coverage Score
27%
Onion rings
18%
Fennel

Comparison summary

Which food is lower in glycemic index?
Onion rings
Onion rings is lower in glycemic index (difference - 45)
Which food is cheaper?
Onion rings
Onion rings is cheaper (difference - $0.2)
Which food is richer in minerals?
Onion rings
Onion rings is relatively richer in minerals
Which food is lower in Sugar?
Fennel
Fennel is lower in Sugar (difference - 1.17g)
Which food contains less Sodium?
Fennel
Fennel contains less Sodium (difference - 318mg)
Which food is lower in Saturated Fat?
Fennel
Fennel is lower in Saturated Fat (difference - 2.047g)
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food is richer in vitamins?
?
It cannot be stated which food is richer in vitamins. See the charts below for detailed information. See the charts below for detailed information. See the charts below for detailed information.

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 rings - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170415/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.