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Mashed potato vs. Fish sandwich — In-Depth Nutrition Comparison

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The main differences between mashed potato and fish sandwiches

  • Fish sandwiches are richer than mashed potato in selenium, vitamin B12, vitamin B1, iron, vitamin B2, folate, phosphorus, and manganese.
  • Daily need coverage for selenium for fish sandwiches is 31% higher.
  • Mashed potato contains less sodium.
  • Fish sandwiches have a lower glycemic index than mashed potato.

Food types used in this article are Fast foods, potato, mashed and Fast foods, fish sandwich, with tartar sauce.

Infographic

Mashed potato vs Fish sandwich 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 11% 5.4% 25% 12% 12% 6% 25% 40% 13% 4.4%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 18% 11% 18% 56% 25% 13% 50% 79% 34% 98%
Contains more PotassiumPotassium +38.8%
Contains less SodiumSodium -49.2%
Contains more MagnesiumMagnesium +66.7%
Contains more CalciumCalcium +105.6%
Contains more IronIron +383.9%
Contains more CopperCopper +114.3%
Contains more ZincZinc +122.7%
Contains more PhosphorusPhosphorus +96.6%
Contains more ManganeseManganese +169.4%
Contains more SeleniumSelenium +2150%

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% 14% 8.4% 0% 3.8% 3.5% 20% 0% 28% 8.8% 15% 6.8% 7.3%
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 6% 2% 11% 3% 53% 32% 40% 22% 16% 85% 34% 35% 16%
Contains more Vitamin AVitamin A +616.7%
Contains more Vitamin B6Vitamin B6 +71.4%
Contains more Vitamin CVitamin C +∞%
Contains more Vitamin EVitamin E +31%
Contains more Vitamin DVitamin D +∞%
Contains more Vitamin B1Vitamin B1 +1300%
Contains more Vitamin B2Vitamin B2 +833.3%
Contains more Vitamin B3Vitamin B3 +99.1%
Contains more Vitamin B12Vitamin B12 +871.4%
Contains more Vitamin KVitamin K +130.5%
Contains more FolateFolate +411.1%
Contains more CholineCholine +115.7%

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
3% 15% 80%
Protein: 1.65 g
Fats: 2.82 g
Carbs: 14.65 g
Water: 79.62 g
Other: 1.26 g
10% 12% 27% 48% 2%
Protein: 10.29 g
Fats: 12.45 g
Carbs: 26.69 g
Water: 48.44 g
Other: 2.13 g
Contains more WaterWater +64.4%
Contains more ProteinProtein +523.6%
Contains more FatsFats +341.5%
Contains more CarbsCarbs +82.2%
Contains more OtherOther +69%

Fat Type Comparison

Fat type breakdown side-by-side comparison
22% 27% 51%
Saturated fat: Sat. Fat 0.577 g
Monounsaturated fat: Mono. Fat 0.72 g
Polyunsaturated fat: Poly. Fat 1.342 g
18% 24% 58%
Saturated fat: Sat. Fat 1.949 g
Monounsaturated fat: Mono. Fat 2.595 g
Polyunsaturated fat: Poly. Fat 6.257 g
Contains less Sat. FatSaturated fat -70.4%
Contains more Mono. FatMonounsaturated fat +260.4%
Contains more Poly. FatPolyunsaturated fat +366.2%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
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
34% 42% 25%
Starch: 0 g
Sucrose: 0 g
Glucose: 1.2 g
Fructose: 1.47 g
Lactose: 0 g
Maltose: 0.87 g
Galactose: 0 g
Contains more StarchStarch +∞%
Contains more SucroseSucrose +∞%
Contains more GlucoseGlucose +500%
Contains more FructoseFructose +635%
Contains more MaltoseMaltose +∞%
~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.
Mashed potato Fish sandwich
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 Mashed potato Fish sandwich DV% diff.
Polyunsaturated fat 1.342g 6.257g 33%
Selenium 0.8µg 18µg 31%
Vitamin B12 0.07µg 0.68µg 25%
Protein 1.65g 10.29g 17%
Vitamin B1 0.015mg 0.21mg 16%
Fats 2.82g 12.45g 15%
Iron 0.31mg 1.5mg 15%
Sodium 306mg 602mg 13%
Cholesterol 0mg 35mg 12%
Vitamin B2 0.015mg 0.14mg 10%
Folate 9µg 46µg 9%
Phosphorus 59mg 116mg 8%
Calories 89kcal 257kcal 8%
Manganese 0.098mg 0.264mg 7%
Vitamin B5 0.37mg 7%
Vitamin B3 1.08mg 2.15mg 7%
Saturated fat 0.577g 1.949g 6%
Vitamin K 5.9µg 13.6µg 6%
Starch 12.1g 5%
Monounsaturated fat 0.72g 2.595g 5%
Vitamin A 43µg 6µg 4%
Vitamin B6 0.12mg 0.07mg 4%
Carbs 14.65g 26.69g 4%
Copper 0.035mg 0.075mg 4%
Choline 13.4mg 28.9mg 3%
Potassium 286mg 206mg 2%
Vitamin C 0mg 1.8mg 2%
Calcium 18mg 37mg 2%
Magnesium 15mg 25mg 2%
Fructose 0.2g 1.47g 2%
Zinc 0.22mg 0.49mg 2%
Fiber 1.3g 1g 1%
Vitamin D 0IU 9IU 1%
Vitamin D 0µg 0.2µg 1%
Vitamin E 0.42mg 0.55mg 1%
Net carbs 13.35g 25.69g N/A
Sugar 0.5g 3.53g N/A
Trans fat 0.105g 0.08g N/A
Omega-3 - EPA 0.001g 0.029g N/A
Omega-3 - DHA 0g 0.064g N/A
Omega-3 - ALA 0.174g 0.489g N/A
Omega-3 - DPA 0.001g 0.003g N/A
Omega-3 - Eicosatrienoic acid 0g 0.001g N/A
Omega-6 - Gamma-linoleic acid 0g 0.023g N/A
Omega-6 - Dihomo-gamma-linoleic acid 0g 0.002g N/A
Omega-6 - Eicosadienoic acid 0.001g 0.005g N/A
Omega-6 - Linoleic acid 1.146g 5.561g N/A

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Mashed potato Fish sandwich
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
9%
Mashed potato
27%
Fish sandwich
Minerals Daily Need Coverage Score
15%
Mashed potato
40%
Fish sandwich

Comparison summary

Which food is lower in Cholesterol?
Mashed potato
Mashed potato is lower in Cholesterol (difference - 35mg)
Which food is lower in Sugar?
Mashed potato
Mashed potato is lower in Sugar (difference - 3.03g)
Which food contains less Sodium?
Mashed potato
Mashed potato contains less Sodium (difference - 296mg)
Which food is lower in Saturated fat?
Mashed potato
Mashed potato is lower in Saturated fat (difference - 1.372g)
Which food is lower in glycemic index?
Fish sandwich
Fish sandwich is lower in glycemic index (difference - 31)
Which food is richer in minerals?
Fish sandwich
Fish sandwich is relatively richer in minerals
Which food is richer in vitamins?
Fish sandwich
Fish sandwich 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. Mashed potato - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170699/nutrients
  2. Fish sandwich - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170296/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.