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Welsh onion vs. Leek — In-Depth Nutrition Comparison

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How are Welsh onion and Leek different?

  • Welsh onion is higher in Vitamin K, and Vitamin C, however, Leek is richer in Manganese, Vitamin B6, Folate, Iron, and Copper.
  • Daily need coverage for Vitamin K from Welsh onion is 122% higher.
  • Welsh onion contains 4 times more Zinc than Leek. While Welsh onion contains 0.52mg of Zinc, Leek contains only 0.12mg.

Onions, welsh, raw and Leeks, (bulb and lower leaf-portion), raw are the varieties used in this article.

Infographic

Welsh onion vs Leek 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 16% 5.4% 19% 46% 23% 14% 21% 2.2% 18% 3.3%
Leek
6
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 20% 18% 16% 79% 40% 3.3% 15% 2.6% 63% 5.5%
Contains more PotassiumPotassium +17.8%
Contains more ZincZinc +333.3%
Contains more PhosphorusPhosphorus +40%
Contains less SodiumSodium -15%
Contains more MagnesiumMagnesium +21.7%
Contains more CalciumCalcium +227.8%
Contains more IronIron +72.1%
Contains more CopperCopper +71.4%
Contains more ManganeseManganese +251.1%
Contains more SeleniumSelenium +66.7%

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 90% 70% 10% 0% 13% 21% 7.5% 10% 17% 0% 484% 12% 2.9%
Leek
6
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% 100% 18% 0% 15% 6.9% 7.5% 8.4% 54% 0% 118% 48% 5.2%
Contains more Vitamin CVitamin C +125%
Contains more Vitamin B2Vitamin B2 +200%
Contains more Vitamin B5Vitamin B5 +20.7%
Contains more Vitamin KVitamin K +311.5%
Contains more Vitamin AVitamin A +43.7%
Contains more Vitamin E Vitamin E +80.4%
Contains more Vitamin B1Vitamin B1 +20%
Contains more Vitamin B6Vitamin B6 +223.6%
Contains more FolateFolate +300%
Contains more CholineCholine +79.2%
~equal in Vitamin D ~0µg
~equal in Vitamin B3 ~0.4mg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
2% 7% 91%
Protein: 1.9 g
Fats: 0.4 g
Carbs: 6.5 g
Water: 90.5 g
Other: 0.7 g
Leek
2
14% 83%
Protein: 1.5 g
Fats: 0.3 g
Carbs: 14.15 g
Water: 83 g
Other: 1.05 g
Contains more ProteinProtein +26.7%
Contains more FatsFats +33.3%
Contains more CarbsCarbs +117.7%
Contains more OtherOther +50%
~equal in Water ~83g

Fat Type Comparison

Fat type breakdown side-by-side comparison
24% 20% 56%
Saturated Fat: Sat. Fat 0.067 g
Monounsaturated Fat: Mono. Fat 0.056 g
Polyunsaturated fat: Poly. Fat 0.156 g
Leek
2
19% 2% 79%
Saturated Fat: Sat. Fat 0.04 g
Monounsaturated Fat: Mono. Fat 0.004 g
Polyunsaturated fat: Poly. Fat 0.166 g
Contains more Mono. FatMonounsaturated Fat +1300%
Contains less Sat. FatSaturated Fat -40.3%
~equal in Polyunsaturated fat ~0.166g

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Welsh onion Leek Opinion
Calories 34kcal 61kcal Leek
Protein 1.9g 1.5g Welsh onion
Fats 0.4g 0.3g Welsh onion
Vitamin C 27mg 12mg Welsh onion
Net carbs 4.1g 12.35g Leek
Carbs 6.5g 14.15g Leek
Magnesium 23mg 28mg Leek
Calcium 18mg 59mg Leek
Potassium 212mg 180mg Welsh onion
Iron 1.22mg 2.1mg Leek
Sugar 2.18g 3.9g Welsh onion
Fiber 2.4g 1.8g Welsh onion
Copper 0.07mg 0.12mg Leek
Zinc 0.52mg 0.12mg Welsh onion
Phosphorus 49mg 35mg Welsh onion
Sodium 17mg 20mg Welsh onion
Vitamin A 1160IU 1667IU Leek
Vitamin A RAE 83µg Leek
Vitamin E 0.51mg 0.92mg Leek
Manganese 0.137mg 0.481mg Leek
Selenium 0.6µg 1µg Leek
Vitamin B1 0.05mg 0.06mg Leek
Vitamin B2 0.09mg 0.03mg Welsh onion
Vitamin B3 0.4mg 0.4mg
Vitamin B5 0.169mg 0.14mg Welsh onion
Vitamin B6 0.072mg 0.233mg Leek
Vitamin K 193.4µg 47µg Welsh onion
Folate 16µg 64µg Leek
Choline 5.3mg 9.5mg Leek
Saturated Fat 0.067g 0.04g Leek
Monounsaturated Fat 0.056g 0.004g Welsh onion
Polyunsaturated fat 0.156g 0.166g Leek
Tryptophan 0.021mg 0.012mg Welsh onion
Threonine 0.074mg 0.063mg Welsh onion
Isoleucine 0.081mg 0.052mg Welsh onion
Leucine 0.113mg 0.096mg Welsh onion
Lysine 0.095mg 0.078mg Welsh onion
Methionine 0.021mg 0.018mg Welsh onion
Phenylalanine 0.061mg 0.055mg Welsh onion
Valine 0.084mg 0.056mg Welsh onion
Histidine 0.033mg 0.025mg Welsh onion

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Welsh onion Leek
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
57%
Welsh onion
32%
Leek
Minerals Daily Need Coverage Score
17%
Welsh onion
26%
Leek

Comparison summary

Which food is lower in Sugar?
Welsh onion
Welsh onion is lower in Sugar (difference - 1.72g)
Which food contains less Sodium?
Welsh onion
Welsh onion contains less Sodium (difference - 3mg)
Which food is cheaper?
Welsh onion
Welsh onion is cheaper (difference - $0.2)
Which food is lower in Saturated Fat?
Leek
Leek is lower in Saturated Fat (difference - 0.027g)
Which food is lower in glycemic index?
Leek
Leek is lower in glycemic index (difference - 7)
Which food is richer in minerals?
Leek
Leek is relatively richer in minerals
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. Welsh onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170007/nutrients
  2. Leek - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169246/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.