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  6. Grape vs. Onion

Grape vs. Onion — In-Depth Nutrition Comparison

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Summary of differences between grapes and onions

  • The amount of manganese and vitamin K in grapes is higher than in onions.
  • Grapes cover your daily need for manganese, 26% more than onions.
  • Grapes contain 37 times more vitamin K than onions. While grapes contain 14.6µg of vitamin K, onions contain only 0.4µg.
  • The amount of sugar in onions is lower.
  • Onions have a lower glycemic index. The glycemic index of onions is 15, while the glycemic index of grapes is 49.

These are the specific foods used in this comparison Grapes, american type (slip skin), raw and Onions, raw.

Infographic

Grape 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.
Grape
Grape
4
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 3.6% 4.2% 17% 11% 13% 1.1% 4.3% 0.26% 94% 0.55%
Onion
Onion
5
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%
Contains more PotassiumPotassium +30.8%
Contains more IronIron +38.1%
Contains less SodiumSodium -50%
Contains more ManganeseManganese +456.6%
Contains more MagnesiumMagnesium +100%
Contains more CalciumCalcium +64.3%
Contains more ZincZinc +325%
Contains more PhosphorusPhosphorus +190%
Contains more SeleniumSelenium +400%
~equal in Copper ~0.039mg

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.
Grape
Grape
6
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 13% 1.7% 3.8% 0% 23% 13% 5.6% 1.4% 25% 0% 37% 3% 3.1%
Onion
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%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +850%
Contains more Vitamin B1Vitamin B1 +100%
Contains more Vitamin B2Vitamin B2 +111.1%
Contains more Vitamin B3Vitamin B3 +158.6%
Contains more Vitamin KVitamin K +3550%
Contains more Vitamin CVitamin C +85%
Contains more Vitamin B5Vitamin B5 +412.5%
Contains more FolateFolate +375%
~equal in Vitamin D ~0µg
~equal in Vitamin B6 ~0.12mg
~equal in Vitamin B12 ~0µg
~equal in Choline ~6.1mg

All nutrients comparison - raw data values

Nutrient Grape Onion DV% diff.
Manganese 0.718mg 0.129mg 26%
Vitamin K 14.6µg 0.4µg 12%
Vitamin B1 0.092mg 0.046mg 4%
Folate 4µg 19µg 4%
Vitamin C 4mg 7.4mg 4%
Fiber 0.9g 1.7g 3%
Carbs 17.15g 9.34g 3%
Phosphorus 10mg 29mg 3%
Vitamin B5 0.024mg 0.123mg 2%
Vitamin B2 0.057mg 0.027mg 2%
Fructose 1.29g 2%
Calories 67kcal 40kcal 1%
Vitamin B6 0.11mg 0.12mg 1%
Zinc 0.04mg 0.17mg 1%
Iron 0.29mg 0.21mg 1%
Polyunsaturated fat 0.102g 0.017g 1%
Vitamin A 5µg 0µg 1%
Vitamin E 0.19mg 0.02mg 1%
Potassium 191mg 146mg 1%
Selenium 0.1µg 0.5µg 1%
Protein 0.63g 1.1g 1%
Calcium 14mg 23mg 1%
Vitamin B3 0.3mg 0.116mg 1%
Magnesium 5mg 10mg 1%
Fats 0.35g 0.1g 0%
Net carbs 16.25g 7.64g N/A
Sugar 16.25g 4.24g N/A
Copper 0.04mg 0.039mg 0%
Sodium 2mg 4mg 0%
Choline 5.6mg 6.1mg 0%
Saturated fat 0.114g 0.042g 0%
Monounsaturated fat 0.014g 0.013g 0%
Tryptophan 0.003mg 0.014mg 0%
Threonine 0.017mg 0.021mg 0%
Isoleucine 0.005mg 0.014mg 0%
Leucine 0.013mg 0.025mg 0%
Lysine 0.014mg 0.039mg 0%
Methionine 0.021mg 0.002mg 0%
Phenylalanine 0.013mg 0.025mg 0%
Valine 0.017mg 0.021mg 0%
Histidine 0.023mg 0.014mg 0%

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Grape
Grape
3
17% 81%
Protein: 0.63 g
Fats: 0.35 g
Carbs: 17.15 g
Water: 81.3 g
Other: 0.57 g
Onion
Onion
2
9% 89%
Protein: 1.1 g
Fats: 0.1 g
Carbs: 9.34 g
Water: 89.11 g
Other: 0.35 g
Contains more FatsFats +250%
Contains more CarbsCarbs +83.6%
Contains more OtherOther +62.9%
Contains more ProteinProtein +74.6%
~equal in Water ~89.11g

Fat Type Comparison

Fat type breakdown side-by-side comparison
Grape
Grape
2
50% 6% 44%
Saturated fat: Sat. Fat 0.114 g
Monounsaturated fat: Mono. Fat 0.014 g
Polyunsaturated fat: Poly. Fat 0.102 g
Onion
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
Contains more Poly. FatPolyunsaturated fat +500%
Contains less Sat. FatSaturated fat -63.2%
~equal in Monounsaturated fat ~0.013g

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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. Grape - https://fdc.nal.usda.gov/fdc-app.html#/food-details/174682/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.