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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% 0.06% 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% 7.3% 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 +12100%
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 Opinion
Calories 32kcal 116kcal Yam
Protein 0.8g 1.49g Yam
Fats 0.08g 0.14g Yam
Vitamin C 4.8mg 12.1mg Yam
Net carbs 6.65g 23.58g Yam
Carbs 7.55g 27.48g Yam
Magnesium 9mg 18mg Yam
Calcium 20mg 14mg Sweet onion
Potassium 119mg 670mg Yam
Iron 0.26mg 0.52mg Yam
Sugar 5.02g 0.49g Yam
Fiber 0.9g 3.9g Yam
Copper 0.056mg 0.152mg Yam
Zinc 0.13mg 0.2mg Yam
Phosphorus 27mg 49mg Yam
Sodium 8mg 8mg
Vitamin A 1IU 122IU Yam
Vitamin A 0µg 6µg Yam
Vitamin E 0.02mg 0.34mg Yam
Manganese 0.076mg 0.371mg Yam
Selenium 0.5µg 0.7µg Yam
Vitamin B1 0.041mg 0.095mg Yam
Vitamin B2 0.02mg 0.028mg Yam
Vitamin B3 0.133mg 0.552mg Yam
Vitamin B5 0.098mg 0.311mg Yam
Vitamin B6 0.13mg 0.228mg Yam
Vitamin K 0.3µg 2.3µg Yam
Folate 23µg 16µg Sweet onion
Choline 5.5mg 16.2mg Yam
Saturated Fat 0.029g Sweet onion
Monounsaturated Fat 0.005g Yam
Polyunsaturated fat 0.06g Yam
Tryptophan 0.009mg 0.012mg Yam
Threonine 0.018mg 0.052mg Yam
Isoleucine 0.014mg 0.05mg Yam
Leucine 0.025mg 0.094mg Yam
Lysine 0.033mg 0.058mg Yam
Methionine 0.009mg 0.02mg Yam
Phenylalanine 0.024mg 0.069mg Yam
Valine 0.02mg 0.06mg Yam
Histidine 0.011mg 0.033mg Yam
Fructose 2.02g Sweet onion

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
15%
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.