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Onion vs. Dulce de Leche — In-Depth Nutrition Comparison

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What are the differences between onions and dulce de Leche?

  • Onions are higher in vitamin B6 and fiber, yet dulce de Leche is higher in vitamin B2, phosphorus, calcium, choline, vitamin B5, and vitamin B12.
  • Dulce de Leche's daily need coverage for vitamin B2 is 29% more.
  • The amount of saturated fat in onions is lower.
  • The glycemic index of onions is lower.

We used Onions, raw and Dulce de Leche types in this article.

Infographic

Onion vs Dulce de Leche 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.
Onion
4
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%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 16% 75% 31% 6.4% 1.3% 22% 83% 17% 0.26% 15%
Contains more IronIron +23.5%
Contains more CopperCopper +875%
Contains less SodiumSodium -96.9%
Contains more ManganeseManganese +6350%
Contains more MagnesiumMagnesium +120%
Contains more CalciumCalcium +991.3%
Contains more PotassiumPotassium +139.7%
Contains more ZincZinc +364.7%
Contains more PhosphorusPhosphorus +565.5%
Contains more SeleniumSelenium +440%

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.
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%
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 8.7% 25% 4% 3% 4% 93% 3.9% 50% 3.7% 39% 3.3% 8.3% 49%
Contains more Vitamin CVitamin C +184.6%
Contains more Vitamin B1Vitamin B1 +187.5%
Contains more Vitamin B6Vitamin B6 +650%
Contains more FolateFolate +72.7%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +900%
Contains more Vitamin DVitamin D +∞%
Contains more Vitamin B2Vitamin B2 +1400%
Contains more Vitamin B3Vitamin B3 +81%
Contains more Vitamin B5Vitamin B5 +578.9%
Contains more Vitamin B12Vitamin B12 +∞%
Contains more Vitamin KVitamin K +225%
Contains more CholineCholine +1360.7%

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Onion
1
9% 89%
Protein: 1.1 g
Fats: 0.1 g
Carbs: 9.34 g
Water: 89.11 g
Other: 0.35 g
7% 7% 55% 29% 2%
Protein: 6.84 g
Fats: 7.35 g
Carbs: 55.35 g
Water: 28.71 g
Other: 1.75 g
Contains more WaterWater +210.4%
Contains more ProteinProtein +521.8%
Contains more FatsFats +7250%
Contains more CarbsCarbs +492.6%
Contains more OtherOther +400%

Fat Type Comparison

Fat type breakdown side-by-side comparison
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
64% 30% 5%
Saturated fat: Sat. Fat 4.534 g
Monounsaturated fat: Mono. Fat 2.143 g
Polyunsaturated fat: Poly. Fat 0.375 g
Contains less Sat. FatSaturated fat -99.1%
Contains more Mono. FatMonounsaturated fat +16384.6%
Contains more Poly. FatPolyunsaturated fat +2105.9%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Onion
2
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
84% 3% 10% 2%
Starch: 0 g
Sucrose: 41.77 g
Glucose: 1.7 g
Fructose: 0.32 g
Lactose: 4.92 g
Maltose: 0 g
Galactose: 1.03 g
Contains more GlucoseGlucose +15.9%
Contains more FructoseFructose +303.1%
Contains more SucroseSucrose +4119.2%
Contains more LactoseLactose +∞%
Contains more GalactoseGalactose +∞%
~equal in Starch ~0g
~equal in Maltose ~0g

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Onion Dulce de Leche DV% diff.
Vitamin B2 0.027mg 0.405mg 29%
Phosphorus 29mg 193mg 23%
Calcium 23mg 251mg 23%
Saturated fat 0.042g 4.534g 20%
Choline 6.1mg 89.1mg 15%
Carbs 9.34g 55.35g 15%
Calories 40kcal 315kcal 14%
Vitamin B5 0.123mg 0.835mg 14%
Vitamin B12 0µg 0.31µg 13%
Fats 0.1g 7.35g 11%
Protein 1.1g 6.84g 11%
Cholesterol 0mg 29mg 10%
Vitamin A 0µg 74µg 8%
Vitamin B6 0.12mg 0.016mg 8%
Fiber 1.7g 0g 7%
Manganese 0.129mg 0.002mg 6%
Zinc 0.17mg 0.79mg 6%
Potassium 146mg 350mg 6%
Monounsaturated fat 0.013g 2.143g 5%
Sodium 4mg 129mg 5%
Vitamin C 7.4mg 2.6mg 5%
Copper 0.039mg 0.004mg 4%
Selenium 0.5µg 2.7µg 4%
Magnesium 10mg 22mg 3%
Vitamin B1 0.046mg 0.016mg 3%
Polyunsaturated fat 0.017g 0.375g 2%
Folate 19µg 11µg 2%
Vitamin B3 0.116mg 0.21mg 1%
Vitamin D 0µg 0.2µg 1%
Vitamin D 0IU 6IU 1%
Vitamin K 0.4µg 1.3µg 1%
Fructose 1.29g 0.32g 1%
Vitamin E 0.02mg 0.2mg 1%
Net carbs 7.64g 55.35g N/A
Iron 0.21mg 0.17mg 0%
Sugar 4.24g 49.74g N/A
Trans fat 0g 0.364g N/A
Tryptophan 0.014mg 0%
Threonine 0.021mg 0%
Isoleucine 0.014mg 0%
Leucine 0.025mg 0%
Lysine 0.039mg 0%
Methionine 0.002mg 0%
Phenylalanine 0.025mg 0%
Valine 0.021mg 0%
Histidine 0.014mg 0%
Omega-3 - EPA 0g 0.004g N/A
Omega-3 - ALA 0.05g N/A
Omega-3 - DPA 0g 0.009g N/A
Omega-3 - Eicosatrienoic acid 0.001g N/A
Omega-6 - Gamma-linoleic acid 0.002g N/A
Omega-6 - Dihomo-gamma-linoleic acid 0.005g N/A
Omega-6 - Eicosadienoic acid 0g 0.001g N/A
Omega-6 - Linoleic acid 0.131g N/A

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Onion Dulce de Leche
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
8%
Onion
23%
Dulce de Leche
Minerals Daily Need Coverage Score
8%
Onion
27%
Dulce de Leche

Comparison summary

Which food is lower in Cholesterol?
Onion
Onion is lower in Cholesterol (difference - 29mg)
Which food is lower in Sugar?
Onion
Onion is lower in Sugar (difference - 45.5g)
Which food contains less Sodium?
Onion
Onion contains less Sodium (difference - 125mg)
Which food is lower in Saturated fat?
Onion
Onion is lower in Saturated fat (difference - 4.492g)
Which food is lower in glycemic index?
Onion
Onion is lower in glycemic index (difference - 27)
Which food is cheaper?
Onion
Onion is cheaper (difference - $2.8)
Which food is richer in minerals?
Dulce de Leche
Dulce de Leche is relatively richer in minerals
Which food is richer in vitamins?
Dulce de Leche
Dulce de Leche is relatively richer in vitamins

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. Onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170000/nutrients
  2. Dulce de Leche - https://fdc.nal.usda.gov/fdc-app.html#/food-details/173461/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.