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Potatoes, old, raw, flesh only

Old potatoes are mature potato tubers. The figures here describe the raw flesh only, without the skin, from white and red varieties sampled in autumn and winter. They mainly provide carbohydrate, with some fibre and smaller amounts of protein. Per 100g, they contain 20g of carbohydrate, 2g of fibre, 14mg of vitamin C and 443mg of potassium.

Carbohydrate provides energy, while fibre supports normal bowel function. Vitamin C helps the body absorb iron from plant foods, and potassium contributes to normal muscle and nerve function. The raw flesh contains little fat or salt, but cooking methods and added ingredients can change the nutritional content. Full nutritional figures are in the tables below.

Nutrition per 100g

Nutrient

Per 100g

Energy

82 kcal

Energy

349 kJ

Graisse

0.1g

of which saturates

0.03g

Carbohydrate

20g

of which sugars

0.9g

Fibre

2g

Protéines

1.9g

Sel

0.01g

Alcool

0g

Eau

78g

Cholestérol

0mg

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin A (retinol equivalent)

Trace

Vitamine D

0µg

Vitamine E

0.01mg

Vitamin K1

0.94µg

Vitamine C

14mg

Thiamin (B1)

0.2mg

Riboflavin (B2)

0.01mg

Niacin (B3)

0.3mg

Vitamine B6

0.14mg

Vitamine B12

0µg

Folate

13µg

Calcium

7mg

Fer

0.32mg

Magnésium

21mg

Phosphorus

34mg

Potassium

443mg

Sodium

2mg

Zinc

0.3mg

Copper

0.06mg

Sélénium

Trace

Iodine

1µg

Other types of potatoes

Food

Calories per 100g

Protein per 100g

Fat per 100g

Fibre per 100g

Potatoes, old, baked, flesh only

77 kcal

2.2g

0.1g

–

Potatoes, old, baked, flesh only, weighed with skin

52 kcal

1.5g

0.1g

–

Potatoes, old, boiled in salted water, flesh only

74 kcal

1.8g

0.1g

1.6g

Potatoes, old, boiled in unsalted water, flesh only

74 kcal

1.8g

0.1g

1.6g

Potatoes, old, roasted in sunflower oil, flesh only

161 kcal

2.6g

5.7g

2.7g

Potatoes, new and salad, flesh only, raw

68 kcal

1.7g

0.1g

1.8g

Potatoes, old, baked, flesh and skin

97 kcal

2.5g

0.2g

2.6g

Potatoes, old, microwaved, flesh and skin

92 kcal

2.6g

0.1g

2.7g

Potatoes, old, mashed with butter

102 kcal

1.9g

3.9g

1.4g

Potatoes, old, mashed with reduced fat spread

93 kcal

1.8g

2.8g

1.4g

Potatoes, old, potato wedges, with skin, cooked in sunflower oil, homemade

145 kcal

2.9g

3.8g

3g

Potatoes, old, roasted in corn oil

161 kcal

2.6g

5.7g

2.7g

Potatoes, old, roasted in lard

161 kcal

2.6g

5.7g

2.7g

Potatoes, old, wedges, with skin, homemade, cooked in rapeseed oil

145 kcal

2.9g

3.8g

3g

Potatoes, new and salad, boiled in salted water, flesh and skin

68 kcal

1.8g

0.1g

1.8g

Potatoes, new and salad, boiled in unsalted water, flesh and skin

68 kcal

1.8g

0.1g

1.8g

Potatoes, old, roasted in rapeseed oil

161 kcal

2.6g

5.7g

2.7g

Potatoes, duchesse

124 kcal

3.1g

5.1g

1.6g

Potatoes, new, frozen, `roast' in corn oil

157 kcal

2.5g

6.6g

3g

Potatoes, new, canned, re-heated, drained

63 kcal

1.5g

0.1g

–

About these figures

Values are per 100g of the food as described (22 samples, autumn and winter, including white and red varieties, pre-packed and loose). "Trace" means only a very small amount was found. Nutrients that were not measured are not shown. Salt is calculated from sodium.

Lectures complémentaires et références

  • Public Health England. McCance and Widdowson's The Composition of Foods Integrated Dataset 2021. GOV.UK.

Historique de l'article

Les informations sur cette page sont rédigées et examinées par des cliniciens qualifiés.
  • 4 Nov 2026 | Dernière version
  • 3 Nov 2026 | Publié à l'origine