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Tempeh vs. Onion — In-Depth Nutrition Comparison

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What are the main differences between tempeh and onions?

  • Onions have less copper, manganese, phosphorus, iron, vitamin B2, magnesium, vitamin B3, zinc, and calcium than tempeh.
  • Tempeh's daily need coverage for copper is 58% higher.
  • Tempeh has 60 times more saturated fat than onions. Tempeh has 2.539g of saturated fat, while onions have 0.042g.

We used Tempeh and Onions, raw types in this comparison.

Infographic

Tempeh vs Onion infographic
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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.
Tempeh
8
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 58% 33% 36% 101% 187% 31% 114% 1.2% 170% 0%
Onion
2
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 MagnesiumMagnesium +710%
Contains more CalciumCalcium +382.6%
Contains more PotassiumPotassium +182.2%
Contains more IronIron +1185.7%
Contains more CopperCopper +1335.9%
Contains more ZincZinc +570.6%
Contains more PhosphorusPhosphorus +817.2%
Contains more ManganeseManganese +907.8%
Contains less SodiumSodium -55.6%
Contains more SeleniumSelenium +∞%

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.
Tempeh
7
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 0% 0% 0% 0% 20% 83% 50% 17% 50% 10% 0% 18% 0%
Onion
4
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 B1Vitamin B1 +69.6%
Contains more Vitamin B2Vitamin B2 +1225.9%
Contains more Vitamin B3Vitamin B3 +2175.9%
Contains more Vitamin B5Vitamin B5 +126%
Contains more Vitamin B6Vitamin B6 +79.2%
Contains more Vitamin B12Vitamin B12 +∞%
Contains more FolateFolate +26.3%
Contains more Vitamin CVitamin C +∞%
~equal in Vitamin A ~0µg
~equal in Vitamin D ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Tempeh
3
20% 11% 8% 60%
Protein: 20.29 g
Fats: 10.8 g
Carbs: 7.64 g
Water: 59.65 g
Other: 1.62 g
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 ProteinProtein +1744.5%
Contains more FatsFats +10700%
Contains more OtherOther +362.9%
Contains more CarbsCarbs +22.3%
Contains more WaterWater +49.4%

Fat Type Comparison

Fat type breakdown side-by-side comparison
Tempeh
2
25% 32% 43%
Saturated fat: Sat. Fat 2.539 g
Monounsaturated fat: Mono. Fat 3.205 g
Polyunsaturated fat: Poly. Fat 4.3 g
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 Mono. FatMonounsaturated fat +24553.8%
Contains more Poly. FatPolyunsaturated fat +25194.1%
Contains less Sat. FatSaturated fat -98.3%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Tempeh Onion DV% diff.
Copper 0.56mg 0.039mg 58%
Manganese 1.3mg 0.129mg 51%
Protein 20.29g 1.1g 38%
Phosphorus 266mg 29mg 34%
Iron 2.7mg 0.21mg 31%
Polyunsaturated fat 4.3g 0.017g 29%
Vitamin B2 0.358mg 0.027mg 25%
Magnesium 81mg 10mg 17%
Fats 10.8g 0.1g 16%
Vitamin B3 2.64mg 0.116mg 16%
Saturated fat 2.539g 0.042g 11%
Calcium 111mg 23mg 9%
Zinc 1.14mg 0.17mg 9%
Monounsaturated fat 3.205g 0.013g 8%
Calories 192kcal 40kcal 8%
Potassium 412mg 146mg 8%
Vitamin C 0mg 7.4mg 8%
Fiber 1.7g 7%
Vitamin B6 0.215mg 0.12mg 7%
Vitamin B1 0.078mg 0.046mg 3%
Vitamin B5 0.278mg 0.123mg 3%
Vitamin B12 0.08µg 0µg 3%
Fructose 1.29g 2%
Folate 24µg 19µg 1%
Choline 6.1mg 1%
Carbs 7.64g 9.34g 1%
Selenium 0µg 0.5µg 1%
Net carbs 7.64g 7.64g N/A
Sugar 4.24g N/A
Sodium 9mg 4mg 0%
Vitamin E 0.02mg 0%
Vitamin K 0.4µg 0%
Tryptophan 0.194mg 0.014mg 0%
Threonine 0.796mg 0.021mg 0%
Isoleucine 0.88mg 0.014mg 0%
Leucine 1.43mg 0.025mg 0%
Lysine 0.908mg 0.039mg 0%
Methionine 0.175mg 0.002mg 0%
Phenylalanine 0.893mg 0.025mg 0%
Valine 0.92mg 0.021mg 0%
Histidine 0.466mg 0.014mg 0%

Which food is preferable for your diet?

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

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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
19%
Tempeh
8%
Onion
Minerals Daily Need Coverage Score
73%
Tempeh
8%
Onion

Comparison summary

Which food is lower in Sugar?
Tempeh
Tempeh is lower in Sugar (difference - 4.24g)
Which food is cheaper?
Tempeh
Tempeh is cheaper (difference - $0.2)
Which food is richer in minerals?
Tempeh
Tempeh is relatively richer in minerals
Which food contains less Sodium?
Onion
Onion contains less Sodium (difference - 5mg)
Which food is lower in Saturated fat?
Onion
Onion is lower in Saturated fat (difference - 2.497g)
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food is lower in glycemic index?
?
The foods have equal glycemic indexes (15)
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. Tempeh - https://fdc.nal.usda.gov/fdc-app.html#/food-details/174272/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.