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Mushrooms, white, raw

White mushrooms are edible fungi; the figures here describe raw button and closed-cap mushrooms. They consist mainly of water and provide small amounts of protein and fibre, alongside B vitamins and minerals. Per 100g, they contain 1g of protein, 0.7g of fibre, 378mg of potassium and 0.27mg of riboflavin.

Potassium contributes to normal nerve and muscle function, while riboflavin helps the body release energy from food. Raw white mushrooms contain little fat, saturated fat or salt. Added ingredients, such as butter, oil or salt, will change the nutritional content of a prepared mushroom dish. Full nutritional figures are given in the tables below.

Nutrition per 100g

Nutrient

Per 100g

Energy

7 kcal

Energy

29 kJ

Gordura

0.2g

of which saturates

0.04g

Carbohydrate

0.3g

of which sugars

0.3g

Fibra

0.7g

Proteína

1g

Sal

0.01g

Álcool

0g

Água

93g

Colesterol

0mg

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin A (retinol equivalent)

0µg

Vitamina D

0µg

Vitamina E

0.01mg

Vitamin K1

0.28µg

Vitamina C

1mg

Thiamin (B1)

0.13mg

Riboflavin (B2)

0.27mg

Niacin (B3)

2.5mg

Vitamina B6

0.1mg

Vitamina B12

0µg

Ácido Fólico

40µg

Cálcio

3mg

Ferro

0.21mg

Magnésio

10mg

Phosphorus

94mg

Potássio

378mg

Sódio

4mg

Zinco

0.6mg

Copper

0.28mg

Selenium

17µg

Iodo

2µg

Other types of mushrooms

Alimentos

Calories per 100g

Protein per 100g

Fat per 100g

Fibre per 100g

Mushrooms, Chinese, dried, raw

284 kcal

10g

1.8g

–

Mushrooms, Jew's ear, tender, dried, raw

279 kcal

6.9g

1g

–

Mushrooms, Jew's ear, tender, dried, soaked, raw

29 kcal

0.7g

0.7g

–

Mushrooms, Jew's ear, tough, dried, raw

325 kcal

4.8g

2g

–

Mushrooms, Jew's ear, tough, dried, soaked, raw

76 kcal

1.1g

0.2g

–

Mushrooms, oyster, raw

8 kcal

1.6g

0.2g

–

Mushrooms, shiitake, dried, raw

296 kcal

9.6g

1g

–

Mushrooms, white, fried in corn oil

106 kcal

1.4g

11g

1g

Mushrooms, white, fried in rapeseed oil

106 kcal

1.4g

11g

1g

Mushrooms, white, fried in salted butter

106 kcal

1.4g

11g

1g

Mushrooms, white, stewed in unsalted water

9 kcal

1.4g

0.3g

2.6g

Mushrooms, shiitake, cooked

55 kcal

1.6g

0.2g

–

Mushrooms, common, canned, re-heated, drained

12 kcal

2.1g

0.4g

–

Mushrooms, straw, canned, drained

15 kcal

2.1g

0.2g

–

About these figures

Values are per 100g of the food as described (11 samples, closed cap and button, UK grown and imported, 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.

Leitura adicional e referências

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

Histórico do artigo

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  • 4 Nov 2026 | Última versão
  • 3 Nov 2026 | Publicado originalmente