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Sweet potato vs. Corn — In-Depth Nutrition Comparison

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What are the main differences between sweet potatoes and corn?

  • Sweet potatoes have more vitamin A, vitamin C, manganese, copper, vitamin B6, and potassium than corn.
  • Sweet potatoes' daily need coverage for vitamin A is 379% higher.
  • Corn has 13 times less calcium than sweet potatoes. Sweet potatoes have 38mg of calcium, while corn has 3mg.
  • Sweet potatoes have a higher glycemic index (70) than corn (52).

We used Sweet potato, cooked, baked in skin, flesh, without salt and Corn, sweet, yellow, cooked, boiled, drained, without salt types in this comparison.

Infographic

Sweet potato vs Corn 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 19% 11% 42% 26% 54% 8.7% 23% 4.7% 65% 1.1%
Corn
3
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%
Contains more CalciumCalcium +1166.7%
Contains more PotassiumPotassium +117.9%
Contains more IronIron +53.3%
Contains more CopperCopper +228.6%
Contains more ManganeseManganese +197.6%
Contains more ZincZinc +93.8%
Contains more PhosphorusPhosphorus +42.6%
Contains less SodiumSodium -97.2%
~equal in Magnesium ~26mg
~equal in Selenium ~0.2µg

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 65% 320% 14% 0% 27% 24% 28% 53% 66% 0% 5.8% 4.5% 7.1%
Corn
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 18% 4.3% 1.8% 0% 23% 13% 32% 48% 32% 0% 1% 17% 16%
Contains more Vitamin CVitamin C +256.4%
Contains more Vitamin AVitamin A +7292.3%
Contains more Vitamin EVitamin E +688.9%
Contains more Vitamin B1Vitamin B1 +15.1%
Contains more Vitamin B2Vitamin B2 +86%
Contains more Vitamin B5Vitamin B5 +11.6%
Contains more Vitamin B6Vitamin B6 +105.8%
Contains more Vitamin KVitamin K +475%
Contains more Vitamin B3Vitamin B3 +13.2%
Contains more FolateFolate +283.3%
Contains more CholineCholine +122.1%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
2% 21% 76%
Protein: 2.01 g
Fats: 0.15 g
Carbs: 20.71 g
Water: 75.78 g
Other: 1.35 g
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
Contains more OtherOther +92.9%
Contains more ProteinProtein +69.7%
Contains more FatsFats +900%
~equal in Carbs ~20.98g
~equal in Water ~73.41g

Fat Type Comparison

Fat type breakdown side-by-side comparison
36% 63%
Saturated fat: Sat. Fat 0.052 g
Monounsaturated fat: Mono. Fat 0.002 g
Polyunsaturated fat: Poly. Fat 0.092 g
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
Contains less Sat. FatSaturated fat -73.6%
Contains more Mono. FatMonounsaturated fat +18600%
Contains more Poly. FatPolyunsaturated fat +555.4%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
52% 17% 4% 4% 23%
Starch: 7.05 g
Sucrose: 2.28 g
Glucose: 0.57 g
Fructose: 0.5 g
Lactose: 0 g
Maltose: 3.12 g
Galactose: 0 g
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
Contains more MaltoseMaltose +1735.3%
Contains more SucroseSucrose +20.2%
Contains more GlucoseGlucose +47.4%
Contains more FructoseFructose +58%
~equal in Starch ~7.17g
~equal in Lactose ~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 potato Corn
Lower in Saturated fat ok
Lower in price ok
Rich in minerals ok
Rich in vitamins ok
Lower in Sugar ok
Lower in Sodium ok
Lower in Glycemic Index ok
Lower in Cholesterol Equal

All nutrients comparison - raw data values

Nutrient Sweet potato Corn DV% diff.
Vitamin A 961µg 13µg 105%
Vitamin C 19.6mg 5.5mg 16%
Manganese 0.497mg 0.167mg 14%
Copper 0.161mg 0.049mg 12%
Vitamin B6 0.286mg 0.139mg 11%
Potassium 475mg 218mg 8%
Calcium 38mg 3mg 4%
Vitamin E 0.71mg 0.09mg 4%
Fiber 3.3g 2.4g 4%
Folate 6µg 23µg 4%
Vitamin B2 0.106mg 0.057mg 4%
Polyunsaturated fat 0.092g 0.603g 3%
Protein 2.01g 3.41g 3%
Choline 13.1mg 29.1mg 3%
Zinc 0.32mg 0.62mg 3%
Phosphorus 54mg 77mg 3%
Iron 0.69mg 0.45mg 3%
Vitamin K 2.3µg 0.4µg 2%
Vitamin B5 0.884mg 0.792mg 2%
Sodium 36mg 1mg 2%
Fats 0.15g 1.5g 2%
Saturated fat 0.052g 0.197g 1%
Monounsaturated fat 0.002g 0.374g 1%
Vitamin B3 1.487mg 1.683mg 1%
Vitamin B1 0.107mg 0.093mg 1%
Calories 90kcal 96kcal 0%
Carbs 20.71g 20.98g 0%
Net carbs 17.41g 18.58g N/A
Magnesium 27mg 26mg 0%
Sugar 6.48g 4.54g N/A
Starch 7.05g 7.17g 0%
Selenium 0.2µg 0.2µg 0%
Tryptophan 0.04mg 0.023mg 0%
Threonine 0.107mg 0.133mg 0%
Isoleucine 0.07mg 0.133mg 0%
Leucine 0.118mg 0.358mg 0%
Lysine 0.084mg 0.141mg 0%
Methionine 0.037mg 0.069mg 0%
Phenylalanine 0.114mg 0.155mg 0%
Valine 0.11mg 0.191mg 0%
Histidine 0.039mg 0.091mg 0%
Fructose 0.5g 0.79g 0%

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Sweet potato Corn
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
47%
Sweet potato
16%
Corn
Minerals Daily Need Coverage Score
25%
Sweet potato
14%
Corn

Comparison summary

Which food is lower in Saturated fat?
Sweet potato
Sweet potato is lower in Saturated fat (difference - 0.145g)
Which food is cheaper?
Sweet potato
Sweet potato is cheaper (difference - $1)
Which food is richer in minerals?
Sweet potato
Sweet potato is relatively richer in minerals
Which food is richer in vitamins?
Sweet potato
Sweet potato is relatively richer in vitamins
Which food is lower in Sugar?
Corn
Corn is lower in Sugar (difference - 1.94g)
Which food contains less Sodium?
Corn
Corn contains less Sodium (difference - 35mg)
Which food is lower in glycemic index?
Corn
Corn is lower in glycemic index (difference - 18)
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)

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 potato - https://fdc.nal.usda.gov/fdc-app.html#/food-details/168483/nutrients
  2. Corn - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169999/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.