Blueberry vs. Onion

Nutrition comparison of Blueberry and Onion


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

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

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

  • Blueberry has more niacin, however, onion contains more Vitamin B6 and folate.
  • Blueberry is a great source of dietary fiber.
  • Onion has 57% less sugar than blueberry.
Detailed nutritional comparison of blueberry 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: Blueberry (Blueberries, raw) and Onion (Onions, raw) . Have a correction or suggestions? Shoot us an email.


Image of Blueberry src
Image of Onion src

Calories and Carbs

calories

Onion and blueberry contain similar amounts of calories - onion has 40 calories per 100 grams and blueberry has 57 calories.

For macronutrient ratios, blueberry is lighter in protein, heavier in carbs and similar to onion for fat. Blueberry has a macronutrient ratio of 5:91:5 and for onion, 11:87:3 for protein, carbohydrates and fat from calories.

Macro Ratios from Calories:

Blueberry Onion
Protein 5% 11%
Carbohydrates 91% 87%
Fat 5% 3%
Alcohol ~ ~

carbohydrates

Onion and blueberry contain similar amounts of carbs - onion has 9.3g of total carbs per 100 grams and blueberry has 14.5g of carbohydrates.

dietary fiber

Blueberry is a great source of dietary fiber and it has 41% more dietary fiber than onion - onion has 1.7g of dietary fiber per 100 grams and blueberry has 2.4g of dietary fiber.

sugar

Onion has 57% less sugar than blueberry - onion has 4.2g of sugar per 100 grams and blueberry has 10g of sugar.

Protein

protein

Onion and blueberry contain similar amounts of protein - onion has 1.1g of protein per 100 grams and blueberry has 0.74g of protein.

Fat

saturated fat

Both onion and blueberry are low in saturated fat - onion has 0.04g of saturated fat per 100 grams and blueberry has 0.03g of saturated fat.

Vitamins

Vitamin C

Onion and blueberry contain similar amounts of Vitamin C - onion has 7.4mg of Vitamin C per 100 grams and blueberry has 9.7mg of Vitamin C.

Vitamin A

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

Vitamin E

Onion and blueberry contain similar amounts of Vitamin E - onion has 0.02mg of Vitamin E per 100 grams and blueberry has 0.57mg of Vitamin E.

Vitamin K

Onion and blueberry contain similar amounts of Vitamin K - onion has 0.4ug of Vitamin K per 100 grams and blueberry has 19.3ug of Vitamin K.

The B Vitamins

Blueberry has more niacin, however, onion contains more Vitamin B6 and folate. Both blueberry and onion contain significant amounts of thiamin, riboflavin and pantothenic acid.

Blueberry Onion
Thiamin 0.037 MG 0.046 MG
Riboflavin 0.041 MG 0.027 MG
Niacin 0.418 MG 0.116 MG
Pantothenic acid 0.124 MG 0.123 MG
Vitamin B6 0.052 MG 0.12 MG
Folate 6 UG 19 UG

Minerals

calcium

Onion has 283% more calcium than blueberry - onion has 23mg of calcium per 100 grams and blueberry has 6mg of calcium.

iron

Onion and blueberry contain similar amounts of iron - onion has 0.21mg of iron per 100 grams and blueberry has 0.28mg of iron.

potassium

Onion has 90% more potassium than blueberry - onion has 146mg of potassium per 100 grams and blueberry has 77mg 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, blueberry has more kaempferol and myricetin than onion per 100 grams, however, onion contains more quercetin and isorhamnetin than blueberry per 100 grams. Both blueberry and onion contain small amounts of luteolin.

Blueberry Onion
luteolin 0.2 mg 0.02 mg
kaempferol 1.66 mg 0.65 mg
myricetin 1.3 mg 0.03 mg
Quercetin 7.67 mg 20.3 mg
apigenin ~ 0.01 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,

Blueberry Onion
beta-carotene 32 UG 1 UG
lutein + zeaxanthin 80 UG 4 UG

Omega-3 and Omega-6

omega 3s

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

Blueberry Onion
alpha linoleic acid 0.058 G 0.004 G
Total 0.058 G 0.004 G

omega 6s

Comparing omega-6 fatty acids, blueberry has more linoleic acid than onion per 100 grams.

Blueberry Onion
linoleic acid 0.088 G 0.013 G
Total 0.088 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: Blueberry (Blueberries, raw) and Onion (Onions, raw) .

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G Water G
G Starch G
G Alcohol G


FAQ

Does onion or blueberry contain more calories in 100 grams?
Onion and blueberry contain similar amounts of calories - onion has 40 calories in 100g and blueberry has 57 calories.

Does onion or blueberry have more carbohydrates?
By weight, onion and blueberry contain similar amounts of carbs - onion has 9.3g of carbs for 100g and blueberry has 14.5g of carbohydrates.

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