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Quinoa vs. Onion — In-Depth Nutrition Comparison

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How are quinoa and onions different?

  • Quinoa is higher in manganese, phosphorus, copper, iron, magnesium, zinc, vitamin B2, folate, and vitamin B1; however, onions are richer in vitamin C.
  • Daily need coverage for manganese for quinoa is 22% higher.
  • Quinoa contains 7 times more iron than onions. While quinoa contains 1.49mg of iron, onions contain only 0.21mg.
  • Onions have a lower glycemic index (15) than quinoa (53).

Quinoa, cooked and Onions, raw are the varieties used in this article.

Infographic

Quinoa 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.
Quinoa
8
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 46% 5.1% 15% 56% 64% 30% 65% 0.91% 82% 15%
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 +540%
Contains more PotassiumPotassium +17.8%
Contains more IronIron +609.5%
Contains more CopperCopper +392.3%
Contains more ZincZinc +541.2%
Contains more PhosphorusPhosphorus +424.1%
Contains more ManganeseManganese +389.1%
Contains more SeleniumSelenium +460%
Contains more CalciumCalcium +35.3%
Contains less SodiumSodium -42.9%

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.
Quinoa
6
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% 13% 0% 27% 25% 7.7% 0% 28% 0% 0% 32% 13%
Onion
3
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 EVitamin E +3050%
Contains more Vitamin B1Vitamin B1 +132.6%
Contains more Vitamin B2Vitamin B2 +307.4%
Contains more Vitamin B3Vitamin B3 +255.2%
Contains more FolateFolate +121.1%
Contains more CholineCholine +277%
Contains more Vitamin CVitamin C +∞%
Contains more Vitamin KVitamin K +∞%
~equal in Vitamin A ~0µg
~equal in Vitamin D ~0µg
~equal in Vitamin B6 ~0.12mg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Quinoa
4
4% 2% 21% 72%
Protein: 4.4 g
Fats: 1.92 g
Carbs: 21.3 g
Water: 71.61 g
Other: 0.77 g
Onion
1
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 +300%
Contains more FatsFats +1820%
Contains more CarbsCarbs +128.1%
Contains more OtherOther +120%
Contains more WaterWater +24.4%

Fat Type Comparison

Fat type breakdown side-by-side comparison
Quinoa
2
13% 29% 59%
Saturated fat: Sat. Fat 0.231 g
Monounsaturated fat: Mono. Fat 0.528 g
Polyunsaturated fat: Poly. Fat 1.078 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 +3961.5%
Contains more Poly. FatPolyunsaturated fat +6241.2%
Contains less Sat. FatSaturated fat -81.8%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Quinoa
1
100%
Starch: 17.63 g
Sucrose: 0 g
Glucose: 0 g
Fructose: 0 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Onion
3
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 StarchStarch +∞%
Contains more SucroseSucrose +∞%
Contains more GlucoseGlucose +∞%
Contains more FructoseFructose +∞%
~equal in Lactose ~0g
~equal in Maltose ~0g
~equal in Galactose ~0g

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Quinoa Onion DV% diff.
Manganese 0.631mg 0.129mg 22%
Phosphorus 152mg 29mg 18%
Copper 0.192mg 0.039mg 17%
Iron 1.49mg 0.21mg 16%
Magnesium 64mg 10mg 13%
Vitamin C 0mg 7.4mg 8%
Zinc 1.09mg 0.17mg 8%
Polyunsaturated fat 1.078g 0.017g 7%
Protein 4.4g 1.1g 7%
Starch 17.63g 0g 7%
Vitamin B2 0.11mg 0.027mg 6%
Folate 42µg 19µg 6%
Vitamin B1 0.107mg 0.046mg 5%
Selenium 2.8µg 0.5µg 4%
Vitamin E 0.63mg 0.02mg 4%
Calories 120kcal 40kcal 4%
Fiber 2.8g 1.7g 4%
Carbs 21.3g 9.34g 4%
Fats 1.92g 0.1g 3%
Choline 23mg 6.1mg 3%
Vitamin B3 0.412mg 0.116mg 2%
Vitamin B5 0.123mg 2%
Fructose 1.29g 2%
Monounsaturated fat 0.528g 0.013g 1%
Potassium 172mg 146mg 1%
Calcium 17mg 23mg 1%
Saturated fat 0.231g 0.042g 1%
Net carbs 18.5g 7.64g N/A
Sugar 0.87g 4.24g N/A
Sodium 7mg 4mg 0%
Vitamin B6 0.123mg 0.12mg 0%
Vitamin K 0µg 0.4µg 0%
Tryptophan 0.052mg 0.014mg 0%
Threonine 0.131mg 0.021mg 0%
Isoleucine 0.157mg 0.014mg 0%
Leucine 0.261mg 0.025mg 0%
Lysine 0.239mg 0.039mg 0%
Methionine 0.096mg 0.002mg 0%
Phenylalanine 0.185mg 0.025mg 0%
Valine 0.185mg 0.021mg 0%
Histidine 0.127mg 0.014mg 0%
Omega-3 - DHA 0.015g 0g N/A

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Quinoa Onion
Low Calories diet ok
Low Fats diet ok
Low Carbs 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
11%
Quinoa
8%
Onion
Minerals Daily Need Coverage Score
38%
Quinoa
8%
Onion

Comparison summary

Which food is lower in Sugar?
Quinoa
Quinoa is lower in Sugar (difference - 3.37g)
Which food is cheaper?
Quinoa
Quinoa is cheaper (difference - $0.2)
Which food is richer in minerals?
Quinoa
Quinoa is relatively richer in minerals
Which food is richer in vitamins?
Quinoa
Quinoa is relatively richer in vitamins
Which food contains less Sodium?
Onion
Onion contains less Sodium (difference - 3mg)
Which food is lower in Saturated fat?
Onion
Onion is lower in Saturated fat (difference - 0.189g)
Which food is lower in glycemic index?
Onion
Onion is lower in glycemic index (difference - 38)
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)

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. Quinoa - https://fdc.nal.usda.gov/fdc-app.html#/food-details/168917/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.