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Mushrooms, oyster, raw

Senast uppdaterad 4 Nov 2026

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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

Fat

0.2g

of which saturates

Trace

Carbohydrate

Trace

of which sugars

Trace

Protein

1.6g

Salt

0.19g

Vatten

90g

Kolesterol

0mg

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin A (retinol equivalent)

0µg

Vitamin D

0µg

Vitamin C

Trace

Riboflavin (B2)

0.43mg

Vitamin B12

0µg

Kalcium

29mg

Iron

1.9mg

Magnesium

29mg

Phosphorus

120mg

Kalium

230mg

Sodium

77mg

Zinc

Trace

Copper

Trace

Selen

3µg

Other types of mushrooms

Food

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.

Vidare läsning och referenser

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

Artikelhistorik

Informationen på denna sida är skriven och granskad av kvalificerade kliniker.

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  • 4 Nov 2026 | Senaste versionen
  • 3 Nov 2026 | Ursprungligen publicerad