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Corn vs. Potato — In-Depth Nutrition Comparison

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Significant differences between corn and potatoes

  • Corn has more vitamin B5 and vitamin A; however, potatoes are richer in vitamin C, vitamin B6, copper, and potassium.
  • Potatoes cover your daily vitamin C needs 16% more than corn.
  • Potatoes have 132 times less vitamin A than corn. Corn has 263IU of vitamin A, while potatoes have 2IU.
  • Potatoes contain less sugar.
  • Potatoes have a higher glycemic index. The glycemic index of potatoes is 86, while the glycemic index of corn is 52.

Specific food types used in this comparison are Corn, sweet, yellow, cooked, boiled, drained, without salt and Potatoes, flesh, and skin, raw.

Infographic

Corn vs Potato 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.
Corn
4
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 19% 0.9% 19% 17% 16% 17% 33% 0.13% 22% 1.1%
Potato
6
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 16% 3.6% 38% 30% 37% 8.2% 24% 0.78% 26% 2.2%
Contains more MagnesiumMagnesium +13%
Contains more ZincZinc +106.7%
Contains more PhosphorusPhosphorus +35.1%
Contains less SodiumSodium -83.3%
Contains more CalciumCalcium +300%
Contains more PotassiumPotassium +95%
Contains more IronIron +80%
Contains more CopperCopper +124.5%
Contains more ManganeseManganese +19.8%
Contains more SeleniumSelenium +100%

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.
Corn
8
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 18% 4.3% 1.8% 0% 23% 13% 32% 48% 32% 0% 1% 17% 16%
Potato
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 66% 0% 0.2% 0% 20% 7.4% 20% 18% 69% 0% 5% 11% 6.6%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +800%
Contains more Vitamin B1Vitamin B1 +14.8%
Contains more Vitamin B2Vitamin B2 +78.1%
Contains more Vitamin B3Vitamin B3 +58.6%
Contains more Vitamin B5Vitamin B5 +168.5%
Contains more FolateFolate +53.3%
Contains more CholineCholine +140.5%
Contains more Vitamin CVitamin C +258.2%
Contains more Vitamin B6Vitamin B6 +114.4%
Contains more Vitamin KVitamin K +400%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

All nutrients comparison - raw data values

Nutrient Corn Potato DV% diff.
Vitamin C 5.5mg 19.7mg 16%
Vitamin B6 0.139mg 0.298mg 12%
Vitamin B5 0.792mg 0.295mg 10%
Copper 0.049mg 0.11mg 7%
Potassium 218mg 425mg 6%
Iron 0.45mg 0.81mg 5%
Vitamin B3 1.683mg 1.061mg 4%
Polyunsaturated fat 0.603g 0.042g 4%
Starch 7.17g 15.29g 3%
Choline 29.1mg 12.1mg 3%
Protein 3.41g 2.05g 3%
Phosphorus 77mg 57mg 3%
Zinc 0.62mg 0.3mg 3%
Vitamin B2 0.057mg 0.032mg 2%
Folate 23µg 15µg 2%
Fats 1.5g 0.09g 2%
Vitamin K 0.4µg 2µg 1%
Saturated fat 0.197g 0.025g 1%
Monounsaturated fat 0.374g 0.002g 1%
Calories 96kcal 77kcal 1%
Vitamin B1 0.093mg 0.081mg 1%
Fructose 0.79g 0.26g 1%
Magnesium 26mg 23mg 1%
Vitamin E 0.09mg 0.01mg 1%
Vitamin A 13µg 0µg 1%
Manganese 0.167mg 0.2mg 1%
Fiber 2.4g 2.1g 1%
Carbs 20.98g 17.49g 1%
Calcium 3mg 12mg 1%
Net carbs 18.58g 15.39g N/A
Sugar 4.54g 0.82g N/A
Sodium 1mg 6mg 0%
Selenium 0.2µg 0.4µg 0%
Tryptophan 0.023mg 0.021mg 0%
Threonine 0.133mg 0.067mg 0%
Isoleucine 0.133mg 0.066mg 0%
Leucine 0.358mg 0.098mg 0%
Lysine 0.141mg 0.107mg 0%
Methionine 0.069mg 0.032mg 0%
Phenylalanine 0.155mg 0.081mg 0%
Valine 0.191mg 0.103mg 0%
Histidine 0.091mg 0.035mg 0%

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Corn
3
3% 21% 73%
Protein: 3.41 g
Fats: 1.5 g
Carbs: 20.98 g
Water: 73.41 g
Other: 0.7 g
Potato
2
2% 17% 79%
Protein: 2.05 g
Fats: 0.09 g
Carbs: 17.49 g
Water: 79.25 g
Other: 1.12 g
Contains more ProteinProtein +66.3%
Contains more FatsFats +1566.7%
Contains more CarbsCarbs +20%
Contains more OtherOther +60%
~equal in Water ~79.25g

Fat Type Comparison

Fat type breakdown side-by-side comparison
Corn
2
17% 32% 51%
Saturated fat: Sat. Fat 0.197 g
Monounsaturated fat: Mono. Fat 0.374 g
Polyunsaturated fat: Poly. Fat 0.603 g
Potato
1
36% 3% 61%
Saturated fat: Sat. Fat 0.025 g
Monounsaturated fat: Mono. Fat 0.002 g
Polyunsaturated fat: Poly. Fat 0.042 g
Contains more Mono. FatMonounsaturated fat +18600%
Contains more Poly. FatPolyunsaturated fat +1335.7%
Contains less Sat. FatSaturated fat -87.3%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Corn
4
61% 23% 7% 7%
Starch: 7.17 g
Sucrose: 2.74 g
Glucose: 0.84 g
Fructose: 0.79 g
Lactose: 0 g
Maltose: 0.17 g
Galactose: 0 g
Potato
1
95% 2%
Starch: 15.29 g
Sucrose: 0.17 g
Glucose: 0.31 g
Fructose: 0.26 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Contains more SucroseSucrose +1511.8%
Contains more GlucoseGlucose +171%
Contains more FructoseFructose +203.8%
Contains more MaltoseMaltose +∞%
Contains more StarchStarch +113.2%
~equal in Lactose ~0g
~equal in Galactose ~0g

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. Corn - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169999/nutrients
  2. Potato - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170026/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.