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Onion vs. Eggplant — In-Depth Nutrition Comparison

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Differences between onions and eggplant

  • Onions have more vitamin C, while eggplant has more fiber.
  • Onions have a lower glycemic index. The glycemic index of onions is 15, while the glycemic index of eggplant is 30.

The food types used in this comparison are Onions, raw and Eggplant, raw.

Infographic

Onion vs Eggplant 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
3
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 10% 2.7% 20% 8.6% 27% 4.4% 10% 0.26% 30% 1.6%
Contains more CalciumCalcium +155.6%
Contains more PhosphorusPhosphorus +20.8%
Contains more SeleniumSelenium +66.7%
Contains more MagnesiumMagnesium +40%
Contains more PotassiumPotassium +56.8%
Contains more CopperCopper +107.7%
Contains less SodiumSodium -50%
Contains more ManganeseManganese +79.8%
~equal in Iron ~0.23mg
~equal in Zinc ~0.16mg

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
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 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 7.3% 0.33% 6% 0% 9.8% 8.5% 12% 17% 19% 0% 8.8% 17% 3.8%
Contains more Vitamin CVitamin C +236.4%
Contains more Vitamin B1Vitamin B1 +17.9%
Contains more Vitamin B6Vitamin B6 +42.9%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +1400%
Contains more Vitamin B2Vitamin B2 +37%
Contains more Vitamin B3Vitamin B3 +459.5%
Contains more Vitamin B5Vitamin B5 +128.5%
Contains more Vitamin KVitamin K +775%
Contains more FolateFolate +15.8%
Contains more CholineCholine +13.1%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

All nutrients comparison - raw data values

Nutrient Onion Eggplant DV% diff.
Vitamin C 7.4mg 2.2mg 6%
Fiber 1.7g 3g 5%
Copper 0.039mg 0.081mg 5%
Manganese 0.129mg 0.232mg 4%
Vitamin K 0.4µg 3.5µg 3%
Vitamin B6 0.12mg 0.084mg 3%
Vitamin B5 0.123mg 0.281mg 3%
Vitamin B3 0.116mg 0.649mg 3%
Vitamin E 0.02mg 0.3mg 2%
Potassium 146mg 229mg 2%
Calories 40kcal 25kcal 1%
Folate 19µg 22µg 1%
Vitamin B2 0.027mg 0.037mg 1%
Vitamin B1 0.046mg 0.039mg 1%
Calcium 23mg 9mg 1%
Phosphorus 29mg 24mg 1%
Magnesium 10mg 14mg 1%
Carbs 9.34g 5.88g 1%
Protein 1.1g 0.98g 0%
Fats 0.1g 0.18g 0%
Net carbs 7.64g 2.88g N/A
Iron 0.21mg 0.23mg 0%
Sugar 4.24g 3.53g N/A
Zinc 0.17mg 0.16mg 0%
Sodium 4mg 2mg 0%
Vitamin A 0µg 1µg 0%
Selenium 0.5µg 0.3µg 0%
Choline 6.1mg 6.9mg 0%
Saturated fat 0.042g 0.034g 0%
Monounsaturated fat 0.013g 0.016g 0%
Polyunsaturated fat 0.017g 0.076g 0%
Tryptophan 0.014mg 0.009mg 0%
Threonine 0.021mg 0.037mg 0%
Isoleucine 0.014mg 0.045mg 0%
Leucine 0.025mg 0.064mg 0%
Lysine 0.039mg 0.047mg 0%
Methionine 0.002mg 0.011mg 0%
Phenylalanine 0.025mg 0.043mg 0%
Valine 0.021mg 0.053mg 0%
Histidine 0.014mg 0.023mg 0%
Fructose 1.29g 1.54g 0%

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Onion
2
9% 89%
Protein: 1.1 g
Fats: 0.1 g
Carbs: 9.34 g
Water: 89.11 g
Other: 0.35 g
6% 92%
Protein: 0.98 g
Fats: 0.18 g
Carbs: 5.88 g
Water: 92.3 g
Other: 0.66 g
Contains more ProteinProtein +12.2%
Contains more CarbsCarbs +58.8%
Contains more FatsFats +80%
Contains more OtherOther +88.6%
~equal in Water ~92.3g

Fat Type Comparison

Fat type breakdown side-by-side comparison
Onion
0
58% 18% 24%
Saturated fat: Sat. Fat 0.042 g
Monounsaturated fat: Mono. Fat 0.013 g
Polyunsaturated fat: Poly. Fat 0.017 g
27% 13% 60%
Saturated fat: Sat. Fat 0.034 g
Monounsaturated fat: Mono. Fat 0.016 g
Polyunsaturated fat: Poly. Fat 0.076 g
Contains less Sat. FatSaturated fat -19%
Contains more Mono. FatMonounsaturated fat +23.1%
Contains more Poly. FatPolyunsaturated fat +347.1%

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
8% 47% 46%
Starch: 0 g
Sucrose: 0.26 g
Glucose: 1.58 g
Fructose: 1.54 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Contains more SucroseSucrose +280.8%
Contains more GlucoseGlucose +24.7%
Contains more FructoseFructose +19.4%
~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. Eggplant - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169228/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.