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Sweet onion vs. Yam — In-Depth Nutrition Comparison

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What are the main differences between sweet onion and yam?

  • Sweet onion has less potassium, manganese, fiber, copper, vitamin C, and vitamin B6 than yam.
  • Yam's daily need coverage for potassium is 16% higher.
  • Sweet onion has 10 times more sugar than yam. Sweet onion has 5.02g of sugar, while yam has 0.49g.

We used Onions, sweet, raw and Yam, cooked, boiled, drained, or baked, without salt types in this comparison.

Infographic

Sweet onion vs Yam 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.
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 6.4% 6% 11% 9.8% 19% 3.5% 12% 1% 9.9% 2.7%
Yam
Yam
8
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 13% 4.2% 59% 20% 51% 5.5% 21% 1% 48% 3.8%
Contains more CalciumCalcium +42.9%
Contains more MagnesiumMagnesium +100%
Contains more PotassiumPotassium +463%
Contains more IronIron +100%
Contains more CopperCopper +171.4%
Contains more ZincZinc +53.8%
Contains more PhosphorusPhosphorus +81.5%
Contains more ManganeseManganese +388.2%
Contains more SeleniumSelenium +40%
~equal in Sodium ~8mg

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.
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 16% 0% 0.4% 0% 10% 4.6% 2.5% 5.9% 30% 0% 0.75% 17% 3%
Yam
Yam
10
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 40% 2% 6.8% 0% 24% 6.5% 10% 19% 53% 0% 5.8% 12% 8.8%
Contains more FolateFolate +43.8%
Contains more Vitamin CVitamin C +152.1%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +1600%
Contains more Vitamin B1Vitamin B1 +131.7%
Contains more Vitamin B2Vitamin B2 +40%
Contains more Vitamin B3Vitamin B3 +315%
Contains more Vitamin B5Vitamin B5 +217.3%
Contains more Vitamin B6Vitamin B6 +75.4%
Contains more Vitamin KVitamin K +666.7%
Contains more CholineCholine +194.5%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
8% 91%
Protein: 0.8 g
Fats: 0.08 g
Carbs: 7.55 g
Water: 91.24 g
Other: 0.33 g
Yam
Yam
4
27% 70%
Protein: 1.49 g
Fats: 0.14 g
Carbs: 27.48 g
Water: 70.13 g
Other: 0.76 g
Contains more WaterWater +30.1%
Contains more ProteinProtein +86.3%
Contains more FatsFats +75%
Contains more CarbsCarbs +264%
Contains more OtherOther +130.3%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Sweet onion Yam DV% diff.
Potassium 119mg 670mg 16%
Manganese 0.076mg 0.371mg 13%
Fiber 0.9g 3.9g 12%
Copper 0.056mg 0.152mg 11%
Vitamin B6 0.13mg 0.228mg 8%
Vitamin C 4.8mg 12.1mg 8%
Carbs 7.55g 27.48g 7%
Vitamin B1 0.041mg 0.095mg 5%
Vitamin B5 0.098mg 0.311mg 4%
Calories 32kcal 116kcal 4%
Fructose 2.02g 3%
Phosphorus 27mg 49mg 3%
Iron 0.26mg 0.52mg 3%
Vitamin B3 0.133mg 0.552mg 3%
Magnesium 9mg 18mg 2%
Choline 5.5mg 16.2mg 2%
Folate 23µg 16µg 2%
Vitamin K 0.3µg 2.3µg 2%
Vitamin E 0.02mg 0.34mg 2%
Zinc 0.13mg 0.2mg 1%
Protein 0.8g 1.49g 1%
Vitamin B2 0.02mg 0.028mg 1%
Vitamin A 0µg 6µg 1%
Calcium 20mg 14mg 1%
Fats 0.08g 0.14g 0%
Net carbs 6.65g 23.58g N/A
Sugar 5.02g 0.49g N/A
Sodium 8mg 8mg 0%
Selenium 0.5µg 0.7µg 0%
Saturated fat 0.029g 0%
Monounsaturated fat 0.005g 0%
Polyunsaturated fat 0.06g 0%
Tryptophan 0.009mg 0.012mg 0%
Threonine 0.018mg 0.052mg 0%
Isoleucine 0.014mg 0.05mg 0%
Leucine 0.025mg 0.094mg 0%
Lysine 0.033mg 0.058mg 0%
Methionine 0.009mg 0.02mg 0%
Phenylalanine 0.024mg 0.069mg 0%
Valine 0.02mg 0.06mg 0%
Histidine 0.011mg 0.033mg 0%

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Sweet onion Yam
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
7%
Sweet onion
14%
Yam
Minerals Daily Need Coverage Score
8%
Sweet onion
23%
Yam

Comparison summary

Which food is richer in minerals?
Yam
Yam is relatively richer in minerals
Which food is lower in Sugar?
Yam
Yam is lower in Sugar (difference - 4.53g)
Which food is richer in vitamins?
Yam
Yam is relatively richer in vitamins
Which food is lower in Saturated fat?
Sweet onion
Sweet onion is lower in Saturated fat (difference - 0.029g)
Which food is lower in glycemic index?
Sweet onion
Sweet onion is lower in glycemic index (difference - 51)
Which food is cheaper?
Sweet onion
Sweet onion is cheaper (difference - $0.2)
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food contains less Sodium?
?
The foods are relatively equal in Sodium (8 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. Sweet onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170008/nutrients
  2. Yam - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170072/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.