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Corn vs. Sweet potato — In-Depth Nutrition Comparison

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What are the main differences between Corn and Sweet potato?

  • Sweet potato has more Vitamin A, Vitamin C, Manganese, Copper, Vitamin B6, and Potassium than Corn.
  • Sweet potato's daily need coverage for Vitamin A is 105% higher.
  • Sweet potato has 4 times less Folate than Corn. Corn has 23µg of Folate, while Sweet potato has 6µg.

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

Infographic

Corn vs Sweet 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.
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%
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%
Contains more ZincZinc +93.8%
Contains more PhosphorusPhosphorus +42.6%
Contains less SodiumSodium -97.2%
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%
~equal in Magnesium ~27mg
~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.
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% 16% 1.8% 0% 23% 13% 32% 48% 32% 0% 1% 17% 16%
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% 1153% 14% 0% 27% 24% 28% 53% 66% 0% 5.8% 4.5% 7.1%
Contains more Vitamin B3Vitamin B3 +13.2%
Contains more FolateFolate +283.3%
Contains more CholineCholine +122.1%
Contains more Vitamin CVitamin C +256.4%
Contains more Vitamin AVitamin A +7207.2%
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%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

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
2% 21% 76%
Protein: 2.01 g
Fats: 0.15 g
Carbs: 20.71 g
Water: 75.78 g
Other: 1.35 g
Contains more ProteinProtein +69.7%
Contains more FatsFats +900%
Contains more OtherOther +92.9%
~equal in Carbs ~20.71g
~equal in Water ~75.78g

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

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
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
Contains more SucroseSucrose +20.2%
Contains more GlucoseGlucose +47.4%
Contains more FructoseFructose +58%
Contains more MaltoseMaltose +1735.3%
~equal in Starch ~7.05g
~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.
Corn Sweet potato
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 Corn Sweet potato Opinion
Calories 96kcal 90kcal Corn
Protein 3.41g 2.01g Corn
Fats 1.5g 0.15g Corn
Vitamin C 5.5mg 19.6mg Sweet potato
Net carbs 18.58g 17.41g Corn
Carbs 20.98g 20.71g Corn
Magnesium 26mg 27mg Sweet potato
Calcium 3mg 38mg Sweet potato
Potassium 218mg 475mg Sweet potato
Iron 0.45mg 0.69mg Sweet potato
Sugar 4.54g 6.48g Corn
Fiber 2.4g 3.3g Sweet potato
Copper 0.049mg 0.161mg Sweet potato
Zinc 0.62mg 0.32mg Corn
Starch 7.17g 7.05g Corn
Phosphorus 77mg 54mg Corn
Sodium 1mg 36mg Corn
Vitamin A 263IU 19218IU Sweet potato
Vitamin A 13µg 961µg Sweet potato
Vitamin E 0.09mg 0.71mg Sweet potato
Manganese 0.167mg 0.497mg Sweet potato
Selenium 0.2µg 0.2µg
Vitamin B1 0.093mg 0.107mg Sweet potato
Vitamin B2 0.057mg 0.106mg Sweet potato
Vitamin B3 1.683mg 1.487mg Corn
Vitamin B5 0.792mg 0.884mg Sweet potato
Vitamin B6 0.139mg 0.286mg Sweet potato
Vitamin K 0.4µg 2.3µg Sweet potato
Folate 23µg 6µg Corn
Choline 29.1mg 13.1mg Corn
Saturated Fat 0.197g 0.052g Sweet potato
Monounsaturated Fat 0.374g 0.002g Corn
Polyunsaturated fat 0.603g 0.092g Corn
Tryptophan 0.023mg 0.04mg Sweet potato
Threonine 0.133mg 0.107mg Corn
Isoleucine 0.133mg 0.07mg Corn
Leucine 0.358mg 0.118mg Corn
Lysine 0.141mg 0.084mg Corn
Methionine 0.069mg 0.037mg Corn
Phenylalanine 0.155mg 0.114mg Corn
Valine 0.191mg 0.11mg Corn
Histidine 0.091mg 0.039mg Corn
Fructose 0.79g 0.5g Corn

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Corn Sweet 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
17%
Corn
111%
Sweet potato
Minerals Daily Need Coverage Score
14%
Corn
25%
Sweet potato

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