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Onion vs. Brown sugar — In-Depth Nutrition Comparison

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What are the main differences between onions and brown sugar?

  • Onions are richer in vitamin C, fiber, and vitamin B6, yet brown sugar is richer in iron and calcium.
  • Onions contain less sugar.
  • Onions have a lower glycemic index than brown sugar.

We used Onions, raw and Sugars, brown types in this comparison.

Infographic

Onion vs Brown sugar 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
4
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 6.4% 25% 12% 27% 16% 0.82% 1.7% 3.7% 8.3% 6.5%
Contains more ZincZinc +466.7%
Contains more PhosphorusPhosphorus +625%
Contains less SodiumSodium -85.7%
Contains more ManganeseManganese +101.6%
Contains more CalciumCalcium +260.9%
Contains more IronIron +238.1%
Contains more CopperCopper +20.5%
Contains more SeleniumSelenium +140%
~equal in Magnesium ~9mg
~equal in Potassium ~133mg

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
8
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% 0% 0% 0% 0% 0% 2.1% 7.9% 9.5% 0% 0% 0.75% 1.3%
Contains more Vitamin CVitamin C +∞%
Contains more Vitamin EVitamin E +∞%
Contains more Vitamin B1Vitamin B1 +∞%
Contains more Vitamin B2Vitamin B2 +∞%
Contains more Vitamin B6Vitamin B6 +192.7%
Contains more Vitamin KVitamin K +∞%
Contains more FolateFolate +1800%
Contains more CholineCholine +165.2%
~equal in Vitamin A ~0µg
~equal in Vitamin D ~0µg
~equal in Vitamin B3 ~0.11mg
~equal in Vitamin B5 ~0.132mg
~equal in Vitamin B12 ~0µg

All nutrients comparison - raw data values

Nutrient Onion Brown sugar DV% diff.
Carbs 9.34g 98.09g 30%
Calories 40kcal 380kcal 17%
Vitamin C 7.4mg 0mg 8%
Fiber 1.7g 0g 7%
Vitamin B6 0.12mg 0.041mg 6%
Calcium 23mg 83mg 6%
Iron 0.21mg 0.71mg 6%
Folate 19µg 1µg 5%
Phosphorus 29mg 4mg 4%
Vitamin B1 0.046mg 0mg 4%
Manganese 0.129mg 0.064mg 3%
Protein 1.1g 0.12g 2%
Vitamin B2 0.027mg 0mg 2%
Zinc 0.17mg 0.03mg 1%
Selenium 0.5µg 1.2µg 1%
Copper 0.039mg 0.047mg 1%
Choline 6.1mg 2.3mg 1%
Sodium 4mg 28mg 1%
Fats 0.1g 0g 0%
Net carbs 7.64g 98.09g N/A
Magnesium 10mg 9mg 0%
Potassium 146mg 133mg 0%
Sugar 4.24g 97.02g N/A
Vitamin E 0.02mg 0mg 0%
Vitamin B3 0.116mg 0.11mg 0%
Vitamin B5 0.123mg 0.132mg 0%
Vitamin K 0.4µg 0µg 0%
Saturated fat 0.042g 0g 0%
Monounsaturated fat 0.013g 0g 0%
Polyunsaturated fat 0.017g 0g 0%
Tryptophan 0.014mg 0%
Threonine 0.021mg 0%
Isoleucine 0.014mg 0%
Leucine 0.025mg 0%
Lysine 0.039mg 0%
Methionine 0.002mg 0%
Phenylalanine 0.025mg 0%
Valine 0.021mg 0%
Histidine 0.014mg 0%
Fructose 1.29g 1.11g 0%

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Onion
3
9% 89%
Protein: 1.1 g
Fats: 0.1 g
Carbs: 9.34 g
Water: 89.11 g
Other: 0.35 g
98%
Protein: 0.12 g
Fats: 0 g
Carbs: 98.09 g
Water: 1.34 g
Other: 0.45 g
Contains more ProteinProtein +816.7%
Contains more FatsFats +∞%
Contains more WaterWater +6550%
Contains more CarbsCarbs +950.2%
Contains more OtherOther +28.6%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Onion
2
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
97%
Starch: 0 g
Sucrose: 94.56 g
Glucose: 1.35 g
Fructose: 1.11 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Contains more GlucoseGlucose +45.9%
Contains more FructoseFructose +16.2%
Contains more SucroseSucrose +9451.5%
~equal in Starch ~0g
~equal in Lactose ~0g
~equal in Maltose ~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. Brown sugar - https://fdc.nal.usda.gov/fdc-app.html#/food-details/168833/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.