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Mushrooms, oyster, raw

Oyster mushrooms are edible fungi, grouped with vegetables in food composition tables. The figures here describe them raw. They contain mainly water and provide some protein, B vitamins and minerals, with little fat. Per 100g, they contain 1.6g protein, 0.2g fat, 0.43mg riboflavin and 1.9mg iron.

Riboflavin helps the body release energy from food, while iron is needed to make haemoglobin, which carries oxygen in the blood. The iron in mushrooms is less readily absorbed than iron from meat. Added oil, butter or salt will change the fat, energy or salt content of a prepared dish. Full nutrient figures are in the tables below.

Nutrition per 100g

Nutrient

Per 100g

Energy

8 kcal

Energy

35 kJ

Gordura

0.2g

of which saturates

Trace

Carbohydrate

Trace

of which sugars

Trace

Proteína

1.6g

Sal

0.19g

Água

90g

Colesterol

0mg

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin A (retinol equivalent)

0µg

Vitamina D

0µg

Vitamina C

Trace

Riboflavin (B2)

0.43mg

Vitamina B12

0µg

Cálcio

29mg

Ferro

1.9mg

Magnésio

29mg

Phosphorus

120mg

Potássio

230mg

Sódio

77mg

Zinco

Trace

Copper

Trace

Selenium

3µg

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, shiitake, dried, raw

296 kcal

9.6g

1g

–

Mushrooms, white, raw

7 kcal

1g

0.2g

0.7g

Mushrooms, shiitake, cooked

55 kcal

1.6g

0.2g

–

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, 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 (Literature sources). "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