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Kale vs. Welsh onion — In-Depth Nutrition Comparison

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What are the differences between kale and welsh onion?

  • Kale is richer than welsh onion in vitamin K, vitamin C, manganese, copper, calcium, and vitamin B6.
  • Kale's daily need coverage for vitamin K is 520% more.
  • Kale has 4 times more calcium than welsh onion. While kale has 72mg of calcium, welsh onion has only 18mg.

We used Kale, cooked, boiled, drained, without salt and Onions, welsh, raw types in this article.

Infographic

Kale vs Welsh onion 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.
Kale
4
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 13% 22% 20% 34% 52% 6.5% 12% 3% 54% 4.9%
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%
Contains more CalciumCalcium +300%
Contains more CopperCopper +122.9%
Contains more ManganeseManganese +203.6%
Contains more SeleniumSelenium +50%
Contains more MagnesiumMagnesium +27.8%
Contains more IronIron +35.6%
Contains more ZincZinc +116.7%
Contains more PhosphorusPhosphorus +75%
Contains less SodiumSodium -26.1%
~equal in Potassium ~212mg

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.
Kale
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 137% 227% 17% 0% 13% 16% 9.4% 2.9% 32% 0% 2043% 9.8% 0.22%
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% 0% 10% 0% 13% 21% 7.5% 10% 17% 0% 484% 12% 2.9%
Contains more Vitamin CVitamin C +51.9%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +66.7%
Contains more Vitamin B3Vitamin B3 +25%
Contains more Vitamin B6Vitamin B6 +91.7%
Contains more Vitamin KVitamin K +322.4%
Contains more Vitamin B2Vitamin B2 +28.6%
Contains more Vitamin B5Vitamin B5 +244.9%
Contains more FolateFolate +23.1%
Contains more CholineCholine +1225%
~equal in Vitamin D ~0µg
~equal in Vitamin B1 ~0.05mg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Kale
2
2% 6% 91%
Protein: 1.9 g
Fats: 0.4 g
Carbs: 5.63 g
Water: 91.2 g
Other: 0.87 g
2% 7% 91%
Protein: 1.9 g
Fats: 0.4 g
Carbs: 6.5 g
Water: 90.5 g
Other: 0.7 g
Contains more OtherOther +24.3%
Contains more CarbsCarbs +15.5%
~equal in Protein ~1.9g
~equal in Fats ~0.4g
~equal in Water ~90.5g

Fat Type Comparison

Fat type breakdown side-by-side comparison
Kale
2
19% 11% 70%
Saturated fat: Sat. Fat 0.052 g
Monounsaturated fat: Mono. Fat 0.03 g
Polyunsaturated fat: Poly. Fat 0.193 g
24% 20% 56%
Saturated fat: Sat. Fat 0.067 g
Monounsaturated fat: Mono. Fat 0.056 g
Polyunsaturated fat: Poly. Fat 0.156 g
Contains less Sat. FatSaturated fat -22.4%
Contains more Poly. FatPolyunsaturated fat +23.7%
Contains more Mono. FatMonounsaturated fat +86.7%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Kale Welsh onion DV% diff.
Vitamin K 817µg 193.4µg 520%
Vitamin A 681µg 76%
Vitamin C 41mg 27mg 16%
Manganese 0.416mg 0.137mg 12%
Copper 0.156mg 0.07mg 10%
Vitamin B6 0.138mg 0.072mg 5%
Calcium 72mg 18mg 5%
Iron 0.9mg 1.22mg 4%
Zinc 0.24mg 0.52mg 3%
Phosphorus 28mg 49mg 3%
Vitamin B5 0.049mg 0.169mg 2%
Vitamin B2 0.07mg 0.09mg 2%
Fiber 2g 2.4g 2%
Vitamin E 0.85mg 0.51mg 2%
Vitamin B3 0.5mg 0.4mg 1%
Selenium 0.9µg 0.6µg 1%
Folate 13µg 16µg 1%
Choline 0.4mg 5.3mg 1%
Magnesium 18mg 23mg 1%
Calories 28kcal 34kcal 0%
Protein 1.9g 1.9g 0%
Fats 0.4g 0.4g 0%
Carbs 5.63g 6.5g 0%
Net carbs 3.63g 4.1g N/A
Potassium 228mg 212mg 0%
Sugar 1.25g 2.18g N/A
Sodium 23mg 17mg 0%
Vitamin B1 0.053mg 0.05mg 0%
Saturated fat 0.052g 0.067g 0%
Monounsaturated fat 0.03g 0.056g 0%
Polyunsaturated fat 0.193g 0.156g 0%
Tryptophan 0.023mg 0.021mg 0%
Threonine 0.085mg 0.074mg 0%
Isoleucine 0.114mg 0.081mg 0%
Leucine 0.133mg 0.113mg 0%
Lysine 0.114mg 0.095mg 0%
Methionine 0.018mg 0.021mg 0%
Phenylalanine 0.097mg 0.061mg 0%
Valine 0.104mg 0.084mg 0%
Histidine 0.04mg 0.033mg 0%

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Kale Welsh onion
Low Calories diet ok
Low Fats diet Equal
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
193%
Kale
51%
Welsh onion
Minerals Daily Need Coverage Score
22%
Kale
17%
Welsh onion

Comparison summary

Which food contains less Sodium?
Welsh onion
Welsh onion contains less Sodium (difference - 6mg)
Which food is lower in Sugar?
Kale
Kale is lower in Sugar (difference - 0.93g)
Which food is lower in Saturated fat?
Kale
Kale is lower in Saturated fat (difference - 0.015g)
Which food is lower in glycemic index?
Kale
Kale is lower in glycemic index (difference - 39)
Which food is cheaper?
Kale
Kale is cheaper (difference - $0.2)
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food is richer in minerals?
?
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.
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. Kale - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169238/nutrients
  2. Welsh onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170007/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.