Banana vs. Onion

Nutrition comparison of Banana and Onion


Ever wonder how your favorite foods stack up against each other in terms of nutrition?

We compared the nutritional contents of banana versus onion (100g each) below using 2020 USDA and NIH data[1].

For a quick recap of significant nutrients and differences in banana and onion:

  • Banana has more riboflavin, niacin, pantothenic acid and Vitamin B6.
  • Banana is a great source of dietary fiber.
  • Banana is an excellent source of potassium.
  • Onion has 55% less calories than banana.
  • Onion has 59% less carbohydrates than banana.
  • Onion has 65% less sugar than banana.
Detailed nutritional comparison of banana and onion is analyzed below. You can also visualize the nutritional comparison for a custom portion or serving size and see how the nutrition compares.

USDA sources for nutritional information: Banana (Bananas, raw) and Onion (Onions, raw) . Have a correction or suggestions? Shoot us an email.


Image of Banana src
Image of Onion src

Calories and Carbs

calories

Onion has 55% less calories than banana - onion has 40 calories per 100 grams and banana has 89 calories.

For macronutrient ratios, banana is lighter in protein, heavier in carbs and similar to onion for fat. Banana has a macronutrient ratio of 4:93:3 and for onion, 11:88:2 for protein, carbohydrates and fat from calories.

Macro Ratios from Calories:

Banana Onion
Protein 4% 11%
Carbohydrates 93% 88%
Fat 3% 2%
Alcohol ~ ~

carbohydrates

Onion has 59% less carbohydrates than banana - onion has 9.3g of total carbs per 100 grams and banana has 22.8g of carbohydrates.

dietary fiber

Banana is a great source of dietary fiber and it has 53% more dietary fiber than onion - onion has 1.7g of dietary fiber per 100 grams and banana has 2.6g of dietary fiber.

sugar

Onion has 65% less sugar than banana - onion has 4.2g of sugar per 100 grams and banana has 12.2g of sugar.

Protein

protein

Onion and banana contain similar amounts of protein - onion has 1.1g of protein per 100 grams and banana has 1.1g of protein.

Fat

saturated fat

Both onion and banana are low in saturated fat - onion has 0.04g of saturated fat per 100 grams and banana has 0.11g of saturated fat.

Vitamins

Vitamin C

Onion and banana contain similar amounts of Vitamin C - onion has 7.4mg of Vitamin C per 100 grams and banana has 8.7mg of Vitamin C.

Vitamin A

Banana and onion contain similar amounts of Vitamin A - banana has 3ug of Vitamin A per 100 grams and onion does not contain significant amounts.

Vitamin E

Onion and banana contain similar amounts of Vitamin E - onion has 0.02mg of Vitamin E per 100 grams and banana has 0.1mg of Vitamin E.

Vitamin K

Onion and banana contain similar amounts of Vitamin K - onion has 0.4ug of Vitamin K per 100 grams and banana has 0.5ug of Vitamin K.

The B Vitamins

Banana has more riboflavin, niacin, pantothenic acid and Vitamin B6. Both banana and onion contain significant amounts of thiamin and folate.

Banana Onion
Thiamin 0.031 MG 0.046 MG
Riboflavin 0.073 MG 0.027 MG
Niacin 0.665 MG 0.116 MG
Pantothenic acid 0.334 MG 0.123 MG
Vitamin B6 0.367 MG 0.12 MG
Folate 20 UG 19 UG

Minerals

calcium

Onion has 360% more calcium than banana - onion has 23mg of calcium per 100 grams and banana has 5mg of calcium.

iron

Onion and banana contain similar amounts of iron - onion has 0.21mg of iron per 100 grams and banana has 0.26mg of iron.

potassium

Banana is an excellent source of potassium and it has 145% more potassium than onion - onion has 146mg of potassium per 100 grams and banana has 358mg of potassium.

Antioxidants and Phytonutrients

flavonoids

Naturally occuring in fruits and vegetables, flavonoids are associated with many health benefits and used in a variety of medicinal and pharmaceutical applications. [2][3]

For specific flavonoid compounds, both banana and onion contain small amounts of myricetin.

Banana Onion
kaempferol 0.11 mg 0.65 mg
myricetin 0.01 mg 0.03 mg
Quercetin 0.06 mg 20.3 mg
apigenin ~ 0.01 mg
luteolin ~ 0.02 mg
isorhamnetin ~ 5.01 mg

carotenoids

Carotenoids are micronutrients commonly found in plants and some animal products. An example is beta-carotene, the notable carotenoid which is a popular source of Vitamin A.[4][5]

For specific types of carotenoids,

Banana Onion
beta-carotene 26 UG 1 UG
alpha-carotene 25 UG ~
lutein + zeaxanthin 22 UG 4 UG

Omega-3 and Omega-6

omega 3s

For omega-3 fatty acids, banana has more alpha linoleic acid (ALA) than onion per 100 grams.

Banana Onion
alpha linoleic acid 0.027 G 0.004 G
Total 0.027 G 0.004 G

omega 6s

Comparing omega-6 fatty acids, both banana and onion contain small amounts of linoleic acid.

Banana Onion
linoleic acid 0.046 G 0.013 G
Total 0.046 G 0.013 G



Customize your serving size


The comparison below is by common portions, e.g. cups, packages. You can also see a more concrete comparison by weight at equal weight (by grams) comparison.

Note: The specific food items compared are: Banana (Bananas, raw) and Onion (Onions, raw) .

Banana g

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Daily Values (%)

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G monounsaturated fat G
G polyunsaturated fat G
G trans fat G
MG cholesterol MG
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Vitamins and Minerals
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iron
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magnesium
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thiamin (Vit B1)
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riboflavin (Vit B2)
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niacin (Vit B3)
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pantothenic acid (Vit B5)
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folate (Vit B9)
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protein
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biotin (Vit B7)
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choline
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chlorine
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chromium
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iodine
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G Water G
G Starch G
G Alcohol G


FAQ

Does onion or banana contain more calories in 100 grams?
Onion has 60% less calories than banana - onion has 40 calories in 100g and banana has 89 calories.

Does onion or banana have more carbohydrates?
By weight, onion has 60% fewer carbohydrates than banana - onion has 9.3g of carbs for 100g and banana has 22.8g of carbohydrates.

Does onion or banana contain more potassium?
Banana is a rich source of potassium and it has 150% more potassium than onion - onion has 146mg of potassium in 100 grams and banana has 358mg of potassium.