Shiitake Mushroom vs. Onion

Nutrition comparison of Shiitake Mushroom and Onion


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

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

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

  • Onion has more thiamin, however, shiitake mushroom contains more riboflavin, niacin, pantothenic acid and Vitamin B6.
  • Shiitake mushroom is a great source of dietary fiber.
  • Shiitake mushroom is an excellent source of potassium.
Detailed nutritional comparison of shiitake mushroom 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: Shiitake Mushroom (Mushrooms, shiitake, raw) and Onion (Onions, raw) . Have a correction or suggestions? Shoot us an email.


Image of Shiitake Mushroom src
Image of Onion src

Calories and Carbs

calories

Shiitake mushroom and onion contain similar amounts of calories - shiitake mushroom has 34 calories per 100 grams and onion has 40 calories.

For macronutrient ratios, shiitake mushroom is heavier in protein, much lighter in carbs and heavier in fat compared to onion per calorie. Shiitake mushroom has a macronutrient ratio of 22:67:11 and for onion, 10:88:2 for protein, carbohydrates and fat from calories.

Macro Ratios from Calories:

Shiitake Mushroom Onion
Protein 22% 10%
Carbohydrates 67% 88%
Fat 11% 2%
Alcohol ~ ~

carbohydrates

Shiitake mushroom and onion contain similar amounts of carbs - shiitake mushroom has 6.8g of total carbs per 100 grams and onion has 9.3g of carbohydrates.

dietary fiber

Shiitake mushroom is a great source of dietary fiber and it has 47% more dietary fiber than onion - shiitake mushroom has 2.5g of dietary fiber per 100 grams and onion has 1.7g of dietary fiber.

sugar

Shiitake mushroom and onion contain similar amounts of sugar - shiitake mushroom has 2.4g of sugar per 100 grams and onion has 4.2g of sugar.

Protein

protein

Shiitake mushroom and onion contain similar amounts of protein - shiitake mushroom has 2.2g of protein per 100 grams and onion has 1.1g of protein.

Fat

saturated fat

Both onion and shiitake mushroom are low in saturated fat - onion has 0.04g of saturated fat per 100 grams and shiitake mushroom does not contain significant amounts.

Vitamins

Vitamin C

Onion has more Vitamin C than shiitake mushroom - onion has 7.4mg of Vitamin C per 100 grams and shiitake mushroom does not contain significant amounts.

Vitamin A

Onion and shiitake mushroom contain similar amounts of Vitamin A - onion has 0.6ug of Vitamin A per 100 grams and shiitake mushroom does not contain significant amounts.

Vitamin D

Shiitake mushroom has more Vitamin D than onion - shiitake mushroom has 18iu of Vitamin D per 100 grams and onion does not contain significant amounts.

Vitamin E

Onion and shiitake mushroom contain similar amounts of Vitamin E - onion has 0.02mg of Vitamin E per 100 grams and shiitake mushroom does not contain significant amounts.

Vitamin K

Onion and shiitake mushroom contain similar amounts of Vitamin K - onion has 0.4ug of Vitamin K per 100 grams and shiitake mushroom does not contain significant amounts.

The B Vitamins

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

Shiitake Mushroom Onion
Thiamin 0.015 MG 0.046 MG
Riboflavin 0.217 MG 0.027 MG
Niacin 3.877 MG 0.116 MG
Pantothenic acid 1.5 MG 0.123 MG
Vitamin B6 0.293 MG 0.12 MG
Folate 13 UG 19 UG

Minerals

calcium

Onion has 10 times more calcium than shiitake mushroom - shiitake mushroom has 2mg of calcium per 100 grams and onion has 23mg of calcium.

iron

Shiitake mushroom and onion contain similar amounts of iron - shiitake mushroom has 0.41mg of iron per 100 grams and onion has 0.21mg of iron.

potassium

Shiitake mushroom is an excellent source of potassium and it has 108% more potassium than onion - shiitake mushroom has 304mg of potassium per 100 grams and onion has 146mg of potassium.




Customize your serving size


The comparison below is by weight, but sometimes 100g isn't that intuitive of a measurement for food. View a custom portion comparison (e.g. cups, oz, package).

You can try adding or subtracting the amount of either Shiitake Mushroom or Onion .

Note: The specific food items compared are: Shiitake Mushroom (Mushrooms, shiitake, raw) and Onion (Onions, raw) .

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FAQ

Does shiitake mushroom or onion contain more calories in 100 grams?
Shiitake mushroom and onion contain similar amounts of calories - shiitake mushroom has 34 calories in 100g and onion has 40 calories.

Does shiitake mushroom or onion have more carbohydrates?
By weight, shiitake mushroom and onion contain similar amounts of carbs - shiitake mushroom has 6.8g of carbs for 100g and onion has 9.3g of carbohydrates.

Does shiitake mushroom or onion contain more potassium?
Shiitake mushroom is a rich source of potassium and it has 110% more potassium than onion - shiitake mushroom has 304mg of potassium in 100 grams and onion has 146mg of potassium.