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Fast food vs. Mashed potato — In-Depth Nutrition Comparison

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What are the main differences between fast food and mashed potato?

  • Fast food has more selenium, iron, vitamin B12, vitamin B3, vitamin B2, vitamin B1, zinc, folate, and manganese than mashed potato.
  • Fast food's daily need coverage for selenium is 35% higher.
  • Mashed potato has 24 times less vitamin B2 than fast food. Fast food has 0.363mg of vitamin B2, while mashed potato has 0.015mg.
  • Mashed potato is lower in saturated fat.
  • Mashed potato has a higher glycemic index (87) than fast food (66).

We used Fast foods, hamburger; single, regular patty; plain and Fast foods, potato, mashed types in this comparison.

Infographic

Fast food vs Mashed potato 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.
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 19% 19% 17% 115% 40% 69% 57% 43% 47% 111%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 11% 5.4% 25% 12% 12% 6% 25% 40% 13% 4.4%
Contains more MagnesiumMagnesium +80%
Contains more CalciumCalcium +244.4%
Contains more IronIron +887.1%
Contains more CopperCopper +245.7%
Contains more ZincZinc +1045.5%
Contains more PhosphorusPhosphorus +127.1%
Contains more ManganeseManganese +264.3%
Contains more SeleniumSelenium +2437.5%
Contains more PotassiumPotassium +45.2%
~equal in Sodium ~306mg

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 0% 3% 7.6% 1.5% 79% 84% 105% 32% 49% 111% 12% 60% 19%
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% 14% 8.4% 0% 3.8% 3.5% 20% 0% 28% 8.8% 15% 6.8% 7.3%
Contains more Vitamin DVitamin D +∞%
Contains more Vitamin B1Vitamin B1 +2013.3%
Contains more Vitamin B2Vitamin B2 +2320%
Contains more Vitamin B3Vitamin B3 +420.1%
Contains more Vitamin B5Vitamin B5 +∞%
Contains more Vitamin B6Vitamin B6 +76.7%
Contains more Vitamin B12Vitamin B12 +1171.4%
Contains more FolateFolate +788.9%
Contains more CholineCholine +156.7%
Contains more Vitamin AVitamin A +377.8%
Contains more Vitamin EVitamin E +10.5%
Contains more Vitamin KVitamin K +20.4%
~equal in Vitamin C ~0mg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
17% 12% 32% 38%
Protein: 16.52 g
Fats: 12.01 g
Carbs: 31.5 g
Water: 38.45 g
Other: 1.52 g
3% 15% 80%
Protein: 1.65 g
Fats: 2.82 g
Carbs: 14.65 g
Water: 79.62 g
Other: 1.26 g
Contains more ProteinProtein +901.2%
Contains more FatsFats +325.9%
Contains more CarbsCarbs +115%
Contains more OtherOther +20.6%
Contains more WaterWater +107.1%

Fat Type Comparison

Fat type breakdown side-by-side comparison
41% 44% 15%
Saturated fat: Sat. Fat 4.493 g
Monounsaturated fat: Mono. Fat 4.835 g
Polyunsaturated fat: Poly. Fat 1.68 g
22% 27% 51%
Saturated fat: Sat. Fat 0.577 g
Monounsaturated fat: Mono. Fat 0.72 g
Polyunsaturated fat: Poly. Fat 1.342 g
Contains more Mono. FatMonounsaturated fat +571.5%
Contains more Poly. FatPolyunsaturated fat +25.2%
Contains less Sat. FatSaturated fat -87.2%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
82% 7% 8% 2%
Starch: 22.87 g
Sucrose: 0 g
Glucose: 2.05 g
Fructose: 2.27 g
Lactose: 0 g
Maltose: 0.57 g
Galactose: 0 g
96%
Starch: 12.1 g
Sucrose: 0.1 g
Glucose: 0.2 g
Fructose: 0.2 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Contains more StarchStarch +89%
Contains more GlucoseGlucose +925%
Contains more FructoseFructose +1035%
Contains more MaltoseMaltose +∞%
Contains more SucroseSucrose +∞%
~equal in Lactose ~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.
Fast food Mashed potato
Lower in Cholesterol ok
Lower in Sugar ok
Lower in Sodium ok
Lower in Saturated fat ok
Lower in Glycemic Index ok
Rich in minerals ok
Rich in vitamins ok
Lower in price Equal

All nutrients comparison - raw data values

Nutrient Fast food Mashed potato DV% diff.
Selenium 20.3µg 0.8µg 35%
Vitamin B12 0.89µg 0.07µg 34%
Iron 3.06mg 0.31mg 34%
Protein 16.52g 1.65g 30%
Vitamin B3 5.617mg 1.08mg 28%
Vitamin B2 0.363mg 0.015mg 27%
Vitamin B1 0.317mg 0.015mg 25%
Zinc 2.52mg 0.22mg 21%
Saturated fat 4.493g 0.577g 18%
Folate 80µg 9µg 18%
Fats 12.01g 2.82g 14%
Phosphorus 134mg 59mg 11%
Vitamin B5 0.53mg 11%
Cholesterol 33mg 0mg 11%
Manganese 0.357mg 0.098mg 11%
Copper 0.121mg 0.035mg 10%
Monounsaturated fat 4.835g 0.72g 10%
Calories 297kcal 89kcal 10%
Vitamin B6 0.212mg 0.12mg 7%
Carbs 31.5g 14.65g 6%
Choline 34.4mg 13.4mg 4%
Vitamin A 9µg 43µg 4%
Starch 22.87g 12.1g 4%
Calcium 62mg 18mg 4%
Magnesium 27mg 15mg 3%
Potassium 197mg 286mg 3%
Fructose 2.27g 0.2g 3%
Polyunsaturated fat 1.68g 1.342g 2%
Fiber 1.7g 1.3g 2%
Vitamin D 0.1µg 0µg 1%
Vitamin K 4.9µg 5.9µg 1%
Sodium 331mg 306mg 1%
Net carbs 29.8g 13.35g N/A
Vitamin D 2IU 0IU 0%
Sugar 4.88g 0.5g N/A
Vitamin E 0.38mg 0.42mg 0%
Trans fat 0.514g 0.105g N/A
Tryptophan 0.144mg 0%
Threonine 0.46mg 0%
Isoleucine 0.642mg 0%
Leucine 1.13mg 0%
Lysine 0.785mg 0%
Methionine 0.306mg 0%
Phenylalanine 0.67mg 0%
Valine 0.728mg 0%
Histidine 0.402mg 0%
Omega-3 - EPA 0.005g 0.001g N/A
Omega-3 - DHA 0.001g 0g N/A
Omega-3 - ALA 0.121g 0.174g N/A
Omega-3 - DPA 0.009g 0.001g N/A
Omega-6 - Gamma-linoleic acid 0.004g 0g N/A
Omega-6 - Dihomo-gamma-linoleic acid 0.009g 0g N/A
Omega-6 - Eicosadienoic acid 0.003g 0.001g N/A
Omega-6 - Linoleic acid 1.391g 1.146g N/A

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Fast food Mashed potato
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
43%
Fast food
9%
Mashed potato
Minerals Daily Need Coverage Score
54%
Fast food
15%
Mashed potato

Comparison summary

Which food is lower in Cholesterol?
Mashed potato
Mashed potato is lower in Cholesterol (difference - 33mg)
Which food is lower in Sugar?
Mashed potato
Mashed potato is lower in Sugar (difference - 4.38g)
Which food contains less Sodium?
Mashed potato
Mashed potato contains less Sodium (difference - 25mg)
Which food is lower in Saturated fat?
Mashed potato
Mashed potato is lower in Saturated fat (difference - 3.916g)
Which food is lower in glycemic index?
Fast food
Fast food is lower in glycemic index (difference - 21)
Which food is richer in minerals?
Fast food
Fast food is relatively richer in minerals
Which food is richer in vitamins?
Fast food
Fast food is relatively richer in vitamins
Which food is cheaper?
?
The foods are relatively equal in price ($)

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. Fast food - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170693/nutrients
  2. Mashed potato - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170699/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.