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Corn vs. Sweet onion — In-Depth Nutrition Comparison

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Important differences between Corn and Sweet onion

  • Sweet onion has less Vitamin B5, Vitamin B3, Phosphorus, and Fiber.
  • Corn's daily need coverage for Vitamin B5 is 14% more.
  • Corn has 13 times more Vitamin B3 than Sweet onion. Corn has 1.683mg of Vitamin B3, while Sweet onion has 0.133mg.

The food varieties used in the comparison are Corn, sweet, yellow, cooked, boiled, drained, without salt and Onions, sweet, raw.

Infographic

Corn vs Sweet onion 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
7
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 6.4% 6% 11% 9.8% 19% 3.5% 12% 1% 9.9% 2.7%
Contains more MagnesiumMagnesium +188.9%
Contains more PotassiumPotassium +83.2%
Contains more IronIron +73.1%
Contains more ZincZinc +376.9%
Contains more PhosphorusPhosphorus +185.2%
Contains less SodiumSodium -87.5%
Contains more ManganeseManganese +119.7%
Contains more CalciumCalcium +566.7%
Contains more CopperCopper +14.3%
Contains more SeleniumSelenium +150%

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
9
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 16% 0.06% 0.4% 0% 10% 4.6% 2.5% 5.9% 30% 0% 0.75% 17% 3%
Contains more Vitamin CVitamin C +14.6%
Contains more Vitamin AVitamin A +26200%
Contains more Vitamin EVitamin E +350%
Contains more Vitamin B1Vitamin B1 +126.8%
Contains more Vitamin B2Vitamin B2 +185%
Contains more Vitamin B3Vitamin B3 +1165.4%
Contains more Vitamin B5Vitamin B5 +708.2%
Contains more Vitamin KVitamin K +33.3%
Contains more CholineCholine +429.1%
~equal in Vitamin D ~0µg
~equal in Vitamin B6 ~0.13mg
~equal in Vitamin B12 ~µg
~equal in Folate ~23µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Corn
4
3% 21% 73%
Protein: 3.41 g
Fats: 1.5 g
Carbs: 20.98 g
Water: 73.41 g
Other: 0.7 g
8% 91%
Protein: 0.8 g
Fats: 0.08 g
Carbs: 7.55 g
Water: 91.24 g
Other: 0.33 g
Contains more ProteinProtein +326.3%
Contains more FatsFats +1775%
Contains more CarbsCarbs +177.9%
Contains more OtherOther +112.1%
Contains more WaterWater +24.3%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Corn
3
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
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
Contains more StarchStarch +∞%
Contains more SucroseSucrose +280.6%
Contains more MaltoseMaltose +∞%
Contains more GlucoseGlucose +169%
Contains more FructoseFructose +155.7%
Contains more LactoseLactose +∞%
~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 onion
Lower in Saturated Fat ok
Lower in Glycemic Index ok
Lower in price ok
Lower in Sugar ok
Lower in Sodium ok
Rich in vitamins ok
Lower in Cholesterol Equal
Rich in minerals Equal

All nutrients comparison - raw data values

Nutrient Corn Sweet onion Opinion
Calories 96kcal 32kcal Corn
Protein 3.41g 0.8g Corn
Fats 1.5g 0.08g Corn
Vitamin C 5.5mg 4.8mg Corn
Net carbs 18.58g 6.65g Corn
Carbs 20.98g 7.55g Corn
Magnesium 26mg 9mg Corn
Calcium 3mg 20mg Sweet onion
Potassium 218mg 119mg Corn
Iron 0.45mg 0.26mg Corn
Sugar 4.54g 5.02g Corn
Fiber 2.4g 0.9g Corn
Copper 0.049mg 0.056mg Sweet onion
Zinc 0.62mg 0.13mg Corn
Starch 7.17g 0g Corn
Phosphorus 77mg 27mg Corn
Sodium 1mg 8mg Corn
Vitamin A 263IU 1IU Corn
Vitamin A 13µg 0µg Corn
Vitamin E 0.09mg 0.02mg Corn
Manganese 0.167mg 0.076mg Corn
Selenium 0.2µg 0.5µg Sweet onion
Vitamin B1 0.093mg 0.041mg Corn
Vitamin B2 0.057mg 0.02mg Corn
Vitamin B3 1.683mg 0.133mg Corn
Vitamin B5 0.792mg 0.098mg Corn
Vitamin B6 0.139mg 0.13mg Corn
Vitamin K 0.4µg 0.3µg Corn
Folate 23µg 23µg
Choline 29.1mg 5.5mg Corn
Saturated Fat 0.197g Sweet onion
Monounsaturated Fat 0.374g Corn
Polyunsaturated fat 0.603g Corn
Tryptophan 0.023mg 0.009mg Corn
Threonine 0.133mg 0.018mg Corn
Isoleucine 0.133mg 0.014mg Corn
Leucine 0.358mg 0.025mg Corn
Lysine 0.141mg 0.033mg Corn
Methionine 0.069mg 0.009mg Corn
Phenylalanine 0.155mg 0.024mg Corn
Valine 0.191mg 0.02mg Corn
Histidine 0.091mg 0.011mg Corn
Fructose 0.79g 2.02g Sweet onion

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Corn Sweet onion
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
7%
Sweet onion
Minerals Daily Need Coverage Score
14%
Corn
8%
Sweet onion

Comparison summary

Which food is lower in Saturated Fat?
Sweet onion
Sweet onion is lower in Saturated Fat (difference - 0.197g)
Which food is lower in glycemic index?
Sweet onion
Sweet onion is lower in glycemic index (difference - 52)
Which food is cheaper?
Sweet onion
Sweet onion is cheaper (difference - $1.2)
Which food is lower in Sugar?
Corn
Corn is lower in Sugar (difference - 0.48g)
Which food contains less Sodium?
Corn
Corn contains less Sodium (difference - 7mg)
Which food is richer in vitamins?
Corn
Corn is relatively richer in vitamins
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.

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 onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170008/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.