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Walnut vs. Grapefruit — In-Depth Nutrition Comparison

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What are the differences between walnut and grapefruit?

  • Walnut is higher in copper, manganese, phosphorus, vitamin B6, magnesium, iron, zinc, and vitamin B1, yet grapefruit is higher in vitamin C.
  • Walnut's daily need coverage for copper is 173% more.
  • Walnut has 292 times more saturated fat than grapefruit. While walnut has 6.126g of saturated fat, grapefruit has only 0.021g.
  • The glycemic index of walnut is lower.

We used Nuts, walnuts, english and Grapefruit, raw, pink and red, all areas types in this article.

Infographic

Walnut vs Grapefruit 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.
Walnut
9
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 113% 29% 39% 109% 529% 84% 148% 0.26% 445% 27%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 6.4% 6.6% 12% 3% 11% 1.9% 7.7% 0% 2.9% 0.55%
Contains more MagnesiumMagnesium +1655.6%
Contains more CalciumCalcium +345.5%
Contains more PotassiumPotassium +226.7%
Contains more IronIron +3537.5%
Contains more CopperCopper +4856.3%
Contains more ZincZinc +4314.3%
Contains more PhosphorusPhosphorus +1822.2%
Contains more ManganeseManganese +15418.2%
Contains more SeleniumSelenium +4800%
Contains less SodiumSodium -100%

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.
Walnut
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 4.3% 0.33% 14% 0% 85% 35% 21% 34% 124% 0% 6.8% 74% 21%
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 104% 19% 2.6% 0% 11% 7.2% 3.8% 16% 12% 0% 0% 9.8% 4.2%
Contains more Vitamin EVitamin E +438.5%
Contains more Vitamin B1Vitamin B1 +693%
Contains more Vitamin B2Vitamin B2 +383.9%
Contains more Vitamin B3Vitamin B3 +451.5%
Contains more Vitamin B5Vitamin B5 +117.6%
Contains more Vitamin B6Vitamin B6 +913.2%
Contains more Vitamin KVitamin K +∞%
Contains more FolateFolate +653.8%
Contains more CholineCholine +409.1%
Contains more Vitamin CVitamin C +2300%
Contains more Vitamin AVitamin A +5700%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Walnut
4
15% 65% 14% 4% 2%
Protein: 15.23 g
Fats: 65.21 g
Carbs: 13.71 g
Water: 4.07 g
Other: 1.78 g
11% 88%
Protein: 0.77 g
Fats: 0.14 g
Carbs: 10.66 g
Water: 88.06 g
Other: 0.37 g
Contains more ProteinProtein +1877.9%
Contains more FatsFats +46478.6%
Contains more CarbsCarbs +28.6%
Contains more OtherOther +381.1%
Contains more WaterWater +2063.6%

Fat Type Comparison

Fat type breakdown side-by-side comparison
Walnut
2
10% 14% 76%
Saturated fat: Sat. Fat 6.126 g
Monounsaturated fat: Mono. Fat 8.933 g
Polyunsaturated fat: Poly. Fat 47.174 g
27% 26% 47%
Saturated fat: Sat. Fat 0.021 g
Monounsaturated fat: Mono. Fat 0.02 g
Polyunsaturated fat: Poly. Fat 0.036 g
Contains more Mono. FatMonounsaturated fat +44565%
Contains more Poly. FatPolyunsaturated fat +130938.9%
Contains less Sat. FatSaturated fat -99.7%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Walnut
1
2% 91% 3% 3%
Starch: 0.06 g
Sucrose: 2.43 g
Glucose: 0.08 g
Fructose: 0.09 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
51% 23% 26%
Starch: 0 g
Sucrose: 3.51 g
Glucose: 1.61 g
Fructose: 1.77 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Contains more StarchStarch +∞%
Contains more SucroseSucrose +44.4%
Contains more GlucoseGlucose +1912.5%
Contains more FructoseFructose +1866.7%
~equal in Lactose ~0g
~equal in Maltose ~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.
Walnut Grapefruit
Lower in Sugar ok
Lower in Glycemic Index ok
Rich in minerals ok
Rich in vitamins ok
Lower in Sodium ok
Lower in Saturated fat ok
Lower in price ok
Lower in Cholesterol Equal

All nutrients comparison - raw data values

Nutrient Walnut Grapefruit DV% diff.
Polyunsaturated fat 47.174g 0.036g 314%
Copper 1.586mg 0.032mg 173%
Manganese 3.414mg 0.022mg 147%
Fats 65.21g 0.14g 100%
Phosphorus 346mg 18mg 47%
Vitamin B6 0.537mg 0.053mg 37%
Magnesium 158mg 9mg 35%
Iron 2.91mg 0.08mg 35%
Vitamin C 1.3mg 31.2mg 33%
Calories 654kcal 42kcal 31%
Protein 15.23g 0.77g 29%
Saturated fat 6.126g 0.021g 28%
Zinc 3.09mg 0.07mg 27%
Vitamin B1 0.341mg 0.043mg 25%
Monounsaturated fat 8.933g 0.02g 22%
Folate 98µg 13µg 21%
Fiber 6.7g 1.6g 20%
Selenium 4.9µg 0.1µg 9%
Potassium 441mg 135mg 9%
Vitamin B2 0.15mg 0.031mg 9%
Calcium 98mg 22mg 8%
Choline 39.2mg 7.7mg 6%
Vitamin A 1µg 58µg 6%
Vitamin B3 1.125mg 0.204mg 6%
Vitamin B5 0.57mg 0.262mg 6%
Vitamin E 0.7mg 0.13mg 4%
Fructose 0.09g 1.77g 2%
Vitamin K 2.7µg 0µg 2%
Carbs 13.71g 10.66g 1%
Net carbs 7.01g 9.06g N/A
Sugar 2.61g 6.89g N/A
Starch 0.06g 0g 0%
Sodium 2mg 0mg 0%
Tryptophan 0.17mg 0.008mg 0%
Threonine 0.596mg 0.013mg 0%
Isoleucine 0.625mg 0.008mg 0%
Leucine 1.17mg 0.015mg 0%
Lysine 0.424mg 0.019mg 0%
Methionine 0.236mg 0.007mg 0%
Phenylalanine 0.711mg 0.013mg 0%
Valine 0.753mg 0.015mg 0%
Histidine 0.391mg 0.008mg 0%

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Walnut Grapefruit
Low Calories diet ok
Low Fats diet ok
Low Carbs diet ok
Low Glycemic Index diet ok

People also compare

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
32%
Walnut
15%
Grapefruit
Minerals Daily Need Coverage Score
152%
Walnut
5%
Grapefruit

Comparison summary

Which food is lower in Sugar?
Walnut
Walnut is lower in Sugar (difference - 4.28g)
Which food is lower in glycemic index?
Walnut
Walnut is lower in glycemic index (difference - 25)
Which food is richer in minerals?
Walnut
Walnut is relatively richer in minerals
Which food is richer in vitamins?
Walnut
Walnut is relatively richer in vitamins
Which food contains less Sodium?
Grapefruit
Grapefruit contains less Sodium (difference - 2mg)
Which food is lower in Saturated fat?
Grapefruit
Grapefruit is lower in Saturated fat (difference - 6.105g)
Which food is cheaper?
Grapefruit
Grapefruit is cheaper (difference - $4.7)
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 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. Walnut - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170187/nutrients
  2. Grapefruit - https://fdc.nal.usda.gov/fdc-app.html#/food-details/174673/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.