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Sweet onion vs. Red potato — In-Depth Nutrition Comparison

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Important differences between Sweet onion and Red potato

  • Sweet onion has less Copper, Potassium, Vitamin B3, Vitamin C, Phosphorus, Vitamin B6, and Iron.
  • Red potato's daily need coverage for Copper is 13% more.

The food varieties used in the comparison are Onions, sweet, raw and Potatoes, red, flesh and skin, baked.

Infographic

Sweet onion vs Red potato 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 6.4% 6% 11% 9.8% 19% 3.5% 12% 1% 9.9% 2.7%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 20% 2.7% 48% 26% 58% 11% 31% 1.6% 23% 0%
Contains more CalciumCalcium +122.2%
Contains less SodiumSodium -33.3%
Contains more SeleniumSelenium +∞%
Contains more MagnesiumMagnesium +211.1%
Contains more PotassiumPotassium +358%
Contains more IronIron +169.2%
Contains more CopperCopper +210.7%
Contains more ZincZinc +207.7%
Contains more PhosphorusPhosphorus +166.7%
Contains more ManganeseManganese +127.6%

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% 0.06% 0.4% 0% 10% 4.6% 2.5% 5.9% 30% 0% 0.75% 17% 3%
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 42% 0.6% 1.6% 0% 18% 12% 30% 20% 49% 0% 7% 20% 10%
Contains more Vitamin CVitamin C +162.5%
Contains more Vitamin AVitamin A +900%
Contains more Vitamin EVitamin E +300%
Contains more Vitamin B1Vitamin B1 +75.6%
Contains more Vitamin B2Vitamin B2 +150%
Contains more Vitamin B3Vitamin B3 +1099.2%
Contains more Vitamin B5Vitamin B5 +248%
Contains more Vitamin B6Vitamin B6 +63.1%
Contains more Vitamin KVitamin K +833.3%
Contains more FolateFolate +17.4%
Contains more CholineCholine +243.6%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

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
2% 20% 77%
Protein: 2.3 g
Fats: 0.15 g
Carbs: 19.59 g
Water: 76.67 g
Other: 1.29 g
Contains more WaterWater +19%
Contains more ProteinProtein +187.5%
Contains more FatsFats +87.5%
Contains more CarbsCarbs +159.5%
Contains more OtherOther +290.9%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
14% 45% 40%
Starch: 0 g
Sucrose: 0.72 g
Glucose: 2.26 g
Fructose: 2.02 g
Lactose: 0.02 g
Maltose: 0 g
Galactose: 0 g
91% 3% 3% 3%
Starch: 15.15 g
Sucrose: 0.45 g
Glucose: 0.55 g
Fructose: 0.44 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Contains more SucroseSucrose +60%
Contains more GlucoseGlucose +310.9%
Contains more FructoseFructose +359.1%
Contains more LactoseLactose +∞%
Contains more StarchStarch +∞%
~equal in Maltose ~0g
~equal in Galactose ~0g

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 Red potato
Lower in Sodium ok
Lower in Saturated Fat ok
Lower in Glycemic Index ok
Lower in Sugar ok
Rich in minerals ok
Rich in vitamins ok
Lower in Cholesterol Equal
Lower in price Equal

All nutrients comparison - raw data values

Nutrient Sweet onion Red potato Opinion
Calories 32kcal 89kcal Red potato
Protein 0.8g 2.3g Red potato
Fats 0.08g 0.15g Red potato
Vitamin C 4.8mg 12.6mg Red potato
Net carbs 6.65g 17.79g Red potato
Carbs 7.55g 19.59g Red potato
Magnesium 9mg 28mg Red potato
Calcium 20mg 9mg Sweet onion
Potassium 119mg 545mg Red potato
Iron 0.26mg 0.7mg Red potato
Sugar 5.02g 1.43g Red potato
Fiber 0.9g 1.8g Red potato
Copper 0.056mg 0.174mg Red potato
Zinc 0.13mg 0.4mg Red potato
Starch 0g 15.15g Red potato
Phosphorus 27mg 72mg Red potato
Sodium 8mg 12mg Sweet onion
Vitamin A 1IU 10IU Red potato
Vitamin A 0µg 1µg Red potato
Vitamin E 0.02mg 0.08mg Red potato
Manganese 0.076mg 0.173mg Red potato
Selenium 0.5µg Sweet onion
Vitamin B1 0.041mg 0.072mg Red potato
Vitamin B2 0.02mg 0.05mg Red potato
Vitamin B3 0.133mg 1.595mg Red potato
Vitamin B5 0.098mg 0.341mg Red potato
Vitamin B6 0.13mg 0.212mg Red potato
Vitamin K 0.3µg 2.8µg Red potato
Folate 23µg 27µg Red potato
Choline 5.5mg 18.9mg Red potato
Saturated Fat 0.026g Sweet onion
Monounsaturated Fat 0.002g Red potato
Polyunsaturated fat 0.043g Red potato
Tryptophan 0.009mg 0.023mg Red potato
Threonine 0.018mg 0.075mg Red potato
Isoleucine 0.014mg 0.074mg Red potato
Leucine 0.025mg 0.109mg Red potato
Lysine 0.033mg 0.12mg Red potato
Methionine 0.009mg 0.035mg Red potato
Phenylalanine 0.024mg 0.091mg Red potato
Valine 0.02mg 0.115mg Red potato
Histidine 0.011mg 0.039mg Red potato
Fructose 2.02g 0.44g Sweet onion

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Sweet onion Red potato
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
7%
Sweet onion
16%
Red potato
Minerals Daily Need Coverage Score
8%
Sweet onion
22%
Red potato

Comparison summary

Which food contains less Sodium?
Sweet onion
Sweet onion contains less Sodium (difference - 4mg)
Which food is lower in Saturated Fat?
Sweet onion
Sweet onion is lower in Saturated Fat (difference - 0.026g)
Which food is lower in glycemic index?
Sweet onion
Sweet onion is lower in glycemic index (difference - 89)
Which food is lower in Sugar?
Red potato
Red potato is lower in Sugar (difference - 3.59g)
Which food is richer in minerals?
Red potato
Red potato is relatively richer in minerals
Which food is richer in vitamins?
Red potato
Red potato is relatively richer in vitamins
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food is cheaper?
?
The foods are relatively equal in price ($)

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. Red potato - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170435/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.