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  6. Corn vs. Onion

Corn vs. Onion — In-Depth Nutrition Comparison

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Significant differences between Corn and Onion

  • The amount of Vitamin B5, Vitamin B3, Phosphorus, and Polyunsaturated fat in Corn is higher than in Onion.
  • Corn covers your daily Vitamin B5 needs 13% more than Onion.
  • Onion has 35 times less Polyunsaturated fat than Corn. Corn has 0.603g of Polyunsaturated fat, while Onion has 0.017g.

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

Infographic

Corn vs 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
Corn
8
:
2
Onion
Onion
Contains more Iron +114.3%
Contains more Magnesium +160%
Contains more Phosphorus +165.5%
Contains more Potassium +49.3%
Contains less Sodium -75%
Contains more Zinc +264.7%
Contains more Copper +25.6%
Contains more Manganese +29.5%
Contains more Calcium +666.7%
Contains more Selenium +150%
Corn
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 1% 17% 19% 33% 20% 1% 17% 17% 22% 2%
Onion
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 7% 8% 8% 13% 13% 1% 5% 14% 17% 3%
Contains more Iron +114.3%
Contains more Magnesium +160%
Contains more Phosphorus +165.5%
Contains more Potassium +49.3%
Contains less Sodium -75%
Contains more Zinc +264.7%
Contains more Copper +25.6%
Contains more Manganese +29.5%
Contains more Calcium +666.7%
Contains more Selenium +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
Corn
8
:
1
Onion
Onion
Contains more Vitamin A +13050%
Contains more Vitamin E +350%
Contains more Vitamin B1 +102.2%
Contains more Vitamin B2 +111.1%
Contains more Vitamin B3 +1350.9%
Contains more Vitamin B5 +543.9%
Contains more Vitamin B6 +15.8%
Contains more Folate +21.1%
Contains more Vitamin C +34.5%
Equal in Vitamin K - 0.4
Corn
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 16% 2% 0% 19% 24% 14% 32% 48% 33% 18% 0% 1%
Onion
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 1% 1% 0% 25% 12% 7% 3% 8% 28% 15% 0% 1%
Contains more Vitamin A +13050%
Contains more Vitamin E +350%
Contains more Vitamin B1 +102.2%
Contains more Vitamin B2 +111.1%
Contains more Vitamin B3 +1350.9%
Contains more Vitamin B5 +543.9%
Contains more Vitamin B6 +15.8%
Contains more Folate +21.1%
Contains more Vitamin C +34.5%
Equal in Vitamin K - 0.4

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Corn
Corn
4
:
1
Onion
Onion
Contains more Protein +210%
Contains more Fats +1400%
Contains more Carbs +124.6%
Contains more Other +100%
Contains more Water +21.4%
Corn
3% 21% 73%
Protein: 3.41 g
Fats: 1.5 g
Carbs: 20.98 g
Water: 73.41 g
Other: 0.7 g
Onion
9% 89%
Protein: 1.1 g
Fats: 0.1 g
Carbs: 9.34 g
Water: 89.11 g
Other: 0.35 g
Contains more Protein +210%
Contains more Fats +1400%
Contains more Carbs +124.6%
Contains more Other +100%
Contains more Water +21.4%

Fat Type Comparison

Fat type breakdown side-by-side comparison
Corn
Corn
2
:
1
Onion
Onion
Contains more Monounsaturated Fat +2776.9%
Contains more Polyunsaturated fat +3447.1%
Contains less Saturated Fat -78.7%
Corn
17% 32% 51%
Saturated Fat: 0.197 g
Monounsaturated Fat: 0.374 g
Polyunsaturated fat: 0.603 g
Onion
58% 18% 24%
Saturated Fat: 0.042 g
Monounsaturated Fat: 0.013 g
Polyunsaturated fat: 0.017 g
Contains more Monounsaturated Fat +2776.9%
Contains more Polyunsaturated fat +3447.1%
Contains less Saturated Fat -78.7%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Corn
Corn
3
:
2
Onion
Onion
Contains more Starch +∞%
Contains more Sucrose +176.8%
Contains more Maltose +∞%
Contains more Glucose +134.5%
Contains more Fructose +63.3%
Corn
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
Onion
23% 46% 30%
Starch: 0 g
Sucrose: 0.99 g
Glucose: 1.97 g
Fructose: 1.29 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Contains more Starch +∞%
Contains more Sucrose +176.8%
Contains more Maltose +∞%
Contains more Glucose +134.5%
Contains more Fructose +63.3%

Comparison summary table

Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
Corn Onion
Lower in Sugar ok
Lower in Saturated Fat ok
Lower in Glycemic Index ok
Lower in price ok
Lower in Sodium ok
Rich in minerals ok
Rich in vitamins ok
Lower in Cholesterol Equal

All nutrients comparison - raw data values

Nutrient Corn Onion Opinion
Net carbs 18.58g 7.64g Corn
Protein 3.41g 1.1g Corn
Fats 1.5g 0.1g Corn
Carbs 20.98g 9.34g Corn
Calories 96kcal 40kcal Corn
Starch 7.17g 0g Corn
Fructose 0.79g 1.29g Onion
Sugar 4.54g 4.24g Onion
Fiber 2.4g 1.7g Corn
Calcium 3mg 23mg Onion
Iron 0.45mg 0.21mg Corn
Magnesium 26mg 10mg Corn
Phosphorus 77mg 29mg Corn
Potassium 218mg 146mg Corn
Sodium 1mg 4mg Corn
Zinc 0.62mg 0.17mg Corn
Copper 0.049mg 0.039mg Corn
Manganese 0.167mg 0.129mg Corn
Selenium 0.2µg 0.5µg Onion
Vitamin A 263IU 2IU Corn
Vitamin A RAE 13µg 0µg Corn
Vitamin E 0.09mg 0.02mg Corn
Vitamin C 5.5mg 7.4mg Onion
Vitamin B1 0.093mg 0.046mg Corn
Vitamin B2 0.057mg 0.027mg Corn
Vitamin B3 1.683mg 0.116mg Corn
Vitamin B5 0.792mg 0.123mg Corn
Vitamin B6 0.139mg 0.12mg Corn
Folate 23µg 19µg Corn
Vitamin K 0.4µg 0.4µg
Tryptophan 0.023mg 0.014mg Corn
Threonine 0.133mg 0.021mg Corn
Isoleucine 0.133mg 0.014mg Corn
Leucine 0.358mg 0.025mg Corn
Lysine 0.141mg 0.039mg Corn
Methionine 0.069mg 0.002mg Corn
Phenylalanine 0.155mg 0.025mg Corn
Valine 0.191mg 0.021mg Corn
Histidine 0.091mg 0.014mg Corn
Saturated Fat 0.197g 0.042g Onion
Monounsaturated Fat 0.374g 0.013g Corn
Polyunsaturated fat 0.603g 0.017g Corn

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Corn Onion
Low Fats diet ok
Low Carbs diet ok
Low Calories 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
8%
Onion
Minerals Daily Need Coverage Score
14%
Corn
8%
Onion

Comparison summary

Which food is lower in Sugar?
Onion
Onion is lower in Sugar (difference - 0.3g)
Which food is lower in Saturated Fat?
Onion
Onion is lower in Saturated Fat (difference - 0.155g)
Which food is lower in glycemic index?
Onion
Onion is lower in glycemic index (difference - 37)
Which food is cheaper?
Onion
Onion is cheaper (difference - $1)
Which food contains less Sodium?
Corn
Corn contains less Sodium (difference - 3mg)
Which food is richer in minerals?
Corn
Corn is relatively richer in minerals
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)

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. Onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170000/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.