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Onion vs. Cornmeal — In-Depth Nutrition Comparison

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The main differences between onions and cornmeal

  • Onions have more vitamin C; however, cornmeal has more iron, folate, vitamin B1, vitamin B3, vitamin B2, selenium, phosphorus, fiber, and magnesium.
  • Daily need coverage for iron for cornmeal is 52% higher.
  • Cornmeal has a higher glycemic index than onions.

Food types used in this article are Onions, raw and Cornmeal, degermed, enriched, yellow.

Infographic

Onion vs Cornmeal 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.
Onion
2
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 7.1% 6.9% 13% 7.9% 13% 4.6% 12% 0.52% 17% 2.7%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 23% 0.9% 13% 164% 25% 18% 42% 0.91% 23% 57%
Contains more CalciumCalcium +666.7%
Contains less SodiumSodium -42.9%
Contains more MagnesiumMagnesium +220%
Contains more IronIron +1976.2%
Contains more CopperCopper +94.9%
Contains more ZincZinc +288.2%
Contains more PhosphorusPhosphorus +241.4%
Contains more ManganeseManganese +34.9%
Contains more SeleniumSelenium +2000%
~equal in Potassium ~142mg

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.
Onion
2
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 25% 0% 0.4% 0% 12% 6.2% 2.2% 7.4% 28% 0% 1% 14% 3.3%
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 0% 3.7% 2.4% 0% 138% 88% 93% 14% 42% 0% 0% 157% 4.7%
Contains more Vitamin CVitamin C +∞%
Contains more Vitamin KVitamin K +∞%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +500%
Contains more Vitamin B1Vitamin B1 +1097.8%
Contains more Vitamin B2Vitamin B2 +1314.8%
Contains more Vitamin B3Vitamin B3 +4182.8%
Contains more Vitamin B5Vitamin B5 +95.1%
Contains more Vitamin B6Vitamin B6 +51.7%
Contains more FolateFolate +1000%
Contains more CholineCholine +41%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

All nutrients comparison - raw data values

Nutrient Onion Cornmeal DV% diff.
Iron 0.21mg 4.36mg 52%
Folate 19µg 209µg 48%
Vitamin B1 0.046mg 0.551mg 42%
Vitamin B3 0.116mg 4.968mg 30%
Starch 0g 73.3g 30%
Vitamin B2 0.027mg 0.382mg 27%
Carbs 9.34g 79.45g 23%
Selenium 0.5µg 10.5µg 18%
Calories 40kcal 370kcal 17%
Protein 1.1g 7.11g 12%
Phosphorus 29mg 99mg 10%
Fiber 1.7g 3.9g 9%
Vitamin C 7.4mg 0mg 8%
Vitamin B6 0.12mg 0.182mg 5%
Polyunsaturated fat 0.017g 0.828g 5%
Magnesium 10mg 32mg 5%
Copper 0.039mg 0.076mg 4%
Zinc 0.17mg 0.66mg 4%
Fats 0.1g 1.75g 3%
Vitamin B5 0.123mg 0.24mg 2%
Calcium 23mg 3mg 2%
Manganese 0.129mg 0.174mg 2%
Monounsaturated fat 0.013g 0.39g 1%
Saturated fat 0.042g 0.22g 1%
Fructose 1.29g 0.17g 1%
Vitamin E 0.02mg 0.12mg 1%
Vitamin A 0µg 11µg 1%
Net carbs 7.64g 75.55g N/A
Potassium 146mg 142mg 0%
Sugar 4.24g 1.61g N/A
Sodium 4mg 7mg 0%
Vitamin K 0.4µg 0µg 0%
Choline 6.1mg 8.6mg 0%
Tryptophan 0.014mg 0.038mg 0%
Threonine 0.021mg 0.172mg 0%
Isoleucine 0.014mg 0.242mg 0%
Leucine 0.025mg 1.006mg 0%
Lysine 0.039mg 0.105mg 0%
Methionine 0.002mg 0.162mg 0%
Phenylalanine 0.025mg 0.366mg 0%
Valine 0.021mg 0.337mg 0%
Histidine 0.014mg 0.172mg 0%

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Onion
1
9% 89%
Protein: 1.1 g
Fats: 0.1 g
Carbs: 9.34 g
Water: 89.11 g
Other: 0.35 g
7% 2% 79% 11%
Protein: 7.11 g
Fats: 1.75 g
Carbs: 79.45 g
Water: 11.18 g
Other: 0.51 g
Contains more WaterWater +697%
Contains more ProteinProtein +546.4%
Contains more FatsFats +1650%
Contains more CarbsCarbs +750.6%
Contains more OtherOther +45.7%

Fat Type Comparison

Fat type breakdown side-by-side comparison
Onion
1
58% 18% 24%
Saturated fat: Sat. Fat 0.042 g
Monounsaturated fat: Mono. Fat 0.013 g
Polyunsaturated fat: Poly. Fat 0.017 g
15% 27% 58%
Saturated fat: Sat. Fat 0.22 g
Monounsaturated fat: Mono. Fat 0.39 g
Polyunsaturated fat: Poly. Fat 0.828 g
Contains less Sat. FatSaturated fat -80.9%
Contains more Mono. FatMonounsaturated fat +2900%
Contains more Poly. FatPolyunsaturated fat +4770.6%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Onion
3
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
98%
Starch: 73.3 g
Sucrose: 0.68 g
Glucose: 0.56 g
Fructose: 0.17 g
Lactose: 0 g
Maltose: 0.19 g
Galactose: 0 g
Contains more SucroseSucrose +45.6%
Contains more GlucoseGlucose +251.8%
Contains more FructoseFructose +658.8%
Contains more StarchStarch +∞%
Contains more MaltoseMaltose +∞%
~equal in Lactose ~0g
~equal in Galactose ~0g

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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. Onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170000/nutrients
  2. Cornmeal - https://fdc.nal.usda.gov/fdc-app.html#/food-details/168867/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.