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  6. Portobello vs. Onion

Portobello vs. Onion — In-Depth Nutrition Comparison

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A recap on differences between Portobello and Onion

  • Portobello has more Selenium, Copper, Vitamin B3, Vitamin B2, Vitamin B5, Phosphorus, and Potassium, however, Onion is higher in Vitamin C.
  • Portobello covers your daily Selenium needs 39% more than Onion.
  • Onion contains 54 times less Vitamin B3 than Portobello. Portobello contains 6.255mg of Vitamin B3, while Onion contains 0.116mg.

Food varieties used in this article are Mushrooms, portabella, grilled and Onions, raw.

Infographic

Portobello 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.
Portobello
Portobello
7
:
3
Onion
Onion
Contains more Iron +90.5%
Contains more Magnesium +30%
Contains more Phosphorus +365.5%
Contains more Potassium +199.3%
Contains more Zinc +282.4%
Contains more Copper +897.4%
Contains more Selenium +4280%
Contains more Calcium +666.7%
Contains less Sodium -63.6%
Contains more Manganese +92.5%
Portobello
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 1% 15% 10% 58% 39% 2% 18% 130% 9% 120%
Onion
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 7% 8% 8% 13% 13% 1% 5% 14% 17% 3%
Contains more Iron +90.5%
Contains more Magnesium +30%
Contains more Phosphorus +365.5%
Contains more Potassium +199.3%
Contains more Zinc +282.4%
Contains more Copper +897.4%
Contains more Selenium +4280%
Contains more Calcium +666.7%
Contains less Sodium -63.6%
Contains more Manganese +92.5%

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.
Portobello
Portobello
6
:
4
Onion
Onion
Contains more Vitamin D +∞%
Contains more Vitamin B1 +56.5%
Contains more Vitamin B2 +1392.6%
Contains more Vitamin B3 +5292.2%
Contains more Vitamin B5 +926%
Contains more Vitamin A +∞%
Contains more Vitamin E +∞%
Contains more Vitamin C +∞%
Contains more Vitamin K +∞%
Equal in Vitamin B6 - 0.12
Equal in Folate - 19
Portobello
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 0% 0% 9% 0% 18% 93% 118% 76% 29% 15% 0% 0%
Onion
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 1% 1% 0% 25% 12% 7% 3% 8% 28% 15% 0% 1%
Contains more Vitamin D +∞%
Contains more Vitamin B1 +56.5%
Contains more Vitamin B2 +1392.6%
Contains more Vitamin B3 +5292.2%
Contains more Vitamin B5 +926%
Contains more Vitamin A +∞%
Contains more Vitamin E +∞%
Contains more Vitamin C +∞%
Contains more Vitamin K +∞%
Equal in Vitamin B6 - 0.12
Equal in Folate - 19

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Portobello
Portobello
4
:
1
Onion
Onion
Contains more Protein +198.2%
Contains more Fats +480%
Contains more Other +197.1%
Contains more Carbs +110.4%
Equal in Water - 89.11
Portobello
3% 4% 91%
Protein: 3.28 g
Fats: 0.58 g
Carbs: 4.44 g
Water: 90.66 g
Other: 1.04 g
Onion
9% 89%
Protein: 1.1 g
Fats: 0.1 g
Carbs: 9.34 g
Water: 89.11 g
Other: 0.35 g
Contains more Protein +198.2%
Contains more Fats +480%
Contains more Other +197.1%
Contains more Carbs +110.4%
Equal in Water - 89.11

Fat Type Comparison

Fat type breakdown side-by-side comparison
Portobello
Portobello
1
:
2
Onion
Onion
Contains more Polyunsaturated fat +1264.7%
Contains less Saturated Fat -34.4%
Contains more Monounsaturated Fat +44.4%
Portobello
21% 3% 76%
Saturated Fat: 0.064 g
Monounsaturated Fat: 0.009 g
Polyunsaturated fat: 0.232 g
Onion
58% 18% 24%
Saturated Fat: 0.042 g
Monounsaturated Fat: 0.013 g
Polyunsaturated fat: 0.017 g
Contains more Polyunsaturated fat +1264.7%
Contains less Saturated Fat -34.4%
Contains more Monounsaturated Fat +44.4%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Portobello
Portobello
2
:
2
Onion
Onion
Contains more Starch +∞%
Contains more Glucose +14.7%
Contains more Sucrose +∞%
Contains more Fructose +∞%
Portobello
16% 84%
Starch: 0.43 g
Sucrose: 0 g
Glucose: 2.26 g
Fructose: 0 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Onion
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
Contains more Starch +∞%
Contains more Glucose +14.7%
Contains more Sucrose +∞%
Contains more Fructose +∞%

Comparison summary table

Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
Portobello Onion
Lower in Sugar ok
Lower in Glycemic Index ok
Lower in price ok
Rich in minerals ok
Lower in Sodium ok
Lower in Saturated Fat ok
Lower in Cholesterol Equal
Rich in vitamins Equal

All nutrients comparison - raw data values

Nutrient Portobello Onion Opinion
Net carbs 2.24g 7.64g Onion
Protein 3.28g 1.1g Portobello
Fats 0.58g 0.1g Portobello
Carbs 4.44g 9.34g Onion
Calories 29kcal 40kcal Onion
Starch 0.43g 0g Portobello
Fructose 0g 1.29g Onion
Sugar 2.26g 4.24g Portobello
Fiber 2.2g 1.7g Portobello
Calcium 3mg 23mg Onion
Iron 0.4mg 0.21mg Portobello
Magnesium 13mg 10mg Portobello
Phosphorus 135mg 29mg Portobello
Potassium 437mg 146mg Portobello
Sodium 11mg 4mg Onion
Zinc 0.65mg 0.17mg Portobello
Copper 0.389mg 0.039mg Portobello
Manganese 0.067mg 0.129mg Onion
Selenium 21.9µg 0.5µg Portobello
Vitamin A 0IU 2IU Onion
Vitamin E 0mg 0.02mg Onion
Vitamin D 14IU 0IU Portobello
Vitamin D 0.3µg 0µg Portobello
Vitamin C 0mg 7.4mg Onion
Vitamin B1 0.072mg 0.046mg Portobello
Vitamin B2 0.403mg 0.027mg Portobello
Vitamin B3 6.255mg 0.116mg Portobello
Vitamin B5 1.262mg 0.123mg Portobello
Vitamin B6 0.122mg 0.12mg Portobello
Folate 19µg 19µg
Vitamin K 0µg 0.4µg Onion
Tryptophan 0.045mg 0.014mg Portobello
Threonine 0.125mg 0.021mg Portobello
Isoleucine 0.09mg 0.014mg Portobello
Leucine 0.15mg 0.025mg Portobello
Lysine 0.11mg 0.039mg Portobello
Methionine 0.035mg 0.002mg Portobello
Phenylalanine 0.1mg 0.025mg Portobello
Valine 0.41mg 0.021mg Portobello
Histidine 0.065mg 0.014mg Portobello
Saturated Fat 0.064g 0.042g Onion
Monounsaturated Fat 0.009g 0.013g Onion
Polyunsaturated fat 0.232g 0.017g Portobello
Omega-6 - Linoleic acid 0.232g Portobello

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Portobello Onion
Low Fats diet ok
Low Carbs diet ok
Low Calories diet ok
Low Glycemic Index diet ok

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Vitamins & Minerals Daily Need Coverage Score

The summary scores indicate the extent to which this food can fulfill your daily vitamin and mineral requirements if you consume 3 servings, consisting of 100 grams of each (an approximation of 3 serving sizes).
Vitamins Daily Need Coverage Score
30%
Portobello
8%
Onion
Minerals Daily Need Coverage Score
40%
Portobello
8%
Onion

Comparison summary

Which food is lower in Sugar?
Portobello
Portobello is lower in Sugar (difference - 1.98g)
Which food is lower in glycemic index?
Portobello
Portobello is lower in glycemic index (difference - 15)
Which food is cheaper?
Portobello
Portobello is cheaper (difference - $0.2)
Which food is richer in minerals?
Portobello
Portobello is relatively richer in minerals
Which food contains less Sodium?
Onion
Onion contains less Sodium (difference - 7mg)
Which food is lower in Saturated Fat?
Onion
Onion is lower in Saturated Fat (difference - 0.022g)
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food is richer in vitamins?
?
It cannot be stated which food is richer in vitamins. See the charts below for detailed information. See the charts below for detailed information. See the charts below for detailed information.

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. Portobello - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169243/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.