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Lentil vs. Onion — In-Depth Nutrition Comparison

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Important differences between lentil and onions

  • Lentil has more folate, iron, fiber, copper, phosphorus, manganese, vitamin B5, vitamin B1, zinc, and potassium than onions.
  • Lentil's daily need coverage for folate is 41% more.
  • Lentil contains 16 times more iron than onions. Lentil contains 3.33mg of iron, while onions contain 0.21mg.
  • Lentil has a higher glycemic index. The glycemic index of lentil is 29, while the glycemic index of onions is 15.

The food varieties used in the comparison are Lentils, mature seeds, cooked, boiled, without salt and Onions, raw.

Infographic

Lentil 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.
Lentil
9
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 26% 5.7% 33% 125% 84% 35% 77% 0.26% 64% 15%
Onion
1
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 +260%
Contains more PotassiumPotassium +152.7%
Contains more IronIron +1485.7%
Contains more CopperCopper +543.6%
Contains more ZincZinc +647.1%
Contains more PhosphorusPhosphorus +520.7%
Contains less SodiumSodium -50%
Contains more ManganeseManganese +282.9%
Contains more SeleniumSelenium +460%
Contains more CalciumCalcium +21.1%

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.
Lentil
9
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 5% 0% 2.2% 0% 42% 17% 20% 38% 41% 0% 4.3% 136% 18%
Onion
1
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 +450%
Contains more Vitamin B1Vitamin B1 +267.4%
Contains more Vitamin B2Vitamin B2 +170.4%
Contains more Vitamin B3Vitamin B3 +813.8%
Contains more Vitamin B5Vitamin B5 +418.7%
Contains more Vitamin B6Vitamin B6 +48.3%
Contains more Vitamin KVitamin K +325%
Contains more FolateFolate +852.6%
Contains more CholineCholine +436.1%
Contains more Vitamin CVitamin C +393.3%
~equal in Vitamin A ~0µg
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

All nutrients comparison - raw data values

Nutrient Lentil Onion DV% diff.
Folate 181µg 19µg 41%
Iron 3.33mg 0.21mg 39%
Fiber 7.9g 1.7g 25%
Copper 0.251mg 0.039mg 24%
Phosphorus 180mg 29mg 22%
Protein 9.02g 1.1g 16%
Manganese 0.494mg 0.129mg 16%
Vitamin B1 0.169mg 0.046mg 10%
Zinc 1.27mg 0.17mg 10%
Vitamin B5 0.638mg 0.123mg 10%
Potassium 369mg 146mg 7%
Vitamin C 1.5mg 7.4mg 7%
Vitamin B3 1.06mg 0.116mg 6%
Magnesium 36mg 10mg 6%
Choline 32.7mg 6.1mg 5%
Vitamin B6 0.178mg 0.12mg 4%
Calories 116kcal 40kcal 4%
Vitamin B2 0.073mg 0.027mg 4%
Selenium 2.8µg 0.5µg 4%
Carbs 20.13g 9.34g 4%
Fructose 1.29g 2%
Polyunsaturated fat 0.175g 0.017g 1%
Vitamin E 0.11mg 0.02mg 1%
Vitamin K 1.7µg 0.4µg 1%
Fats 0.38g 0.1g 0%
Net carbs 12.23g 7.64g N/A
Calcium 19mg 23mg 0%
Sugar 1.8g 4.24g N/A
Sodium 2mg 4mg 0%
Saturated fat 0.053g 0.042g 0%
Monounsaturated fat 0.064g 0.013g 0%
Tryptophan 0.081mg 0.014mg 0%
Threonine 0.323mg 0.021mg 0%
Isoleucine 0.39mg 0.014mg 0%
Leucine 0.654mg 0.025mg 0%
Lysine 0.63mg 0.039mg 0%
Methionine 0.077mg 0.002mg 0%
Phenylalanine 0.445mg 0.025mg 0%
Valine 0.448mg 0.021mg 0%
Histidine 0.254mg 0.014mg 0%

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Lentil
4
9% 20% 70%
Protein: 9.02 g
Fats: 0.38 g
Carbs: 20.13 g
Water: 69.64 g
Other: 0.83 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 +720%
Contains more FatsFats +280%
Contains more CarbsCarbs +115.5%
Contains more OtherOther +137.1%
Contains more WaterWater +28%

Fat Type Comparison

Fat type breakdown side-by-side comparison
Lentil
2
18% 22% 60%
Saturated fat: Sat. Fat 0.053 g
Monounsaturated fat: Mono. Fat 0.064 g
Polyunsaturated fat: Poly. Fat 0.175 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 +392.3%
Contains more Poly. FatPolyunsaturated fat +929.4%
Contains less Sat. FatSaturated fat -20.8%

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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. Lentil - https://fdc.nal.usda.gov/fdc-app.html#/food-details/172421/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.