143 kcal P 6.62g C 28.2g F 0.38g
🥦 Vegetables and Vegetable Products
Calories in Mushroom, beech
Beech mushrooms grow in tight clusters on dead trees, secreting enzymes that dissolve tough lignin.
40 kcal
What makes mushroom so powerful?
Beech mushrooms (Hypsizygus tessellatus), known as buna-shimeji in Japan, are prized for their crisp texture and nutty flavor, but their biology is uniquely suited to decomposition. In the wild, they grow in dense clusters on the deadwood of beech trees, though commercial cultivation now uses sawdust substrates. They secrete powerful lignocellulolytic enzymes capable of breaking down lignin and cellulose, the structural components of wood, into digestible nutrients. Interestingly, raw beech mushrooms contain a heat-labile protein that can cause severe gastrointestinal distress, meaning they must always be cooked before consumption. When heated, this protein denatures completely, rendering the mushroom safe and enhancing its umami profile. The mushroom's characteristic brown or white caps and long, slender stems maintain a firm bite even after prolonged cooking, a trait highly valued in hot pot dishes and stir-fries. This resilience comes from their tightly packed chitinous cell walls, which resist thermal degradation better than many other cultivated fungi.
Wood-decay specialists
They secrete enzymes that break down tough lignin and cellulose from dead trees.
Must be cooked first
Raw beech mushrooms contain a heat-labile protein that causes severe digestive distress.
Firm, resilient texture
Their dense chitinous cell walls keep them crunchy even after prolonged cooking.
💡 When & how to use it
Always cook beech mushrooms thoroughly to neutralize their digestive irritants. Trim the spongy base of the cluster to separate the individual stems before sautéing or adding them to soups. Because their chitinous cell walls resist heat, they are ideal for simmering in broths or stir-frying with a source of fat, which helps carry their fat-soluble flavor compounds. Pair them with garlic and olive oil to complement their natural umami and nutty undertones. Store them refrigerated in their original packaging for up to two weeks.
Calories by Serving Size
100g
40 kcal
P 2.18g C 6.76g F 0.45g
1 RACC (85g)
34 kcal
P 1.9g C 5.7g F 0.4g
200g
80 kcal
P 4.4g C 13.5g F 0.9g
50g
20 kcal
P 1.1g C 3.4g F 0.2g
Full Nutrition Facts
Per 100g — daily values based on a 2,000 calorie diet
Nutrition Facts
Serving size: 100g
Calories 40
% Daily Value*
Total Fat 0.45g 1%
Sodium 0.89mg 0%
Total Carbohydrate 6.76g 2%
Dietary Fiber 3.14g 11%
Protein 2.18g 4%
Calcium 0.43mg 0%
Iron 0.74mg 4%
Potassium 376mg 8%
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
How does Mushroom fit your daily goals?
8 min
Walking to burn 40 kcal
2%
of 2,000 kcal daily goal
2.18g
protein (4% of daily 50g)
50
servings until 2,000 kcal
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Frequently Asked Questions
How many calories are in Mushroom, beech?
Mushroom, beech contains 40 calories per 100g. A standard serving of 1 RACC (85g) provides 34 calories. It is considered a very low-calorie food (under 50 kcal/100g), making it excellent for weight management.
How much protein does Mushroom, beech have?
Mushroom, beech provides 2.18g of protein per 100g, which is 4% of the 50g daily recommended value. It is not a primary protein source.
How many carbs are in Mushroom, beech?
Mushroom, beech contains 6.76g of carbohydrates per 100g . It also provides 3.14g of dietary fiber.
Is Mushroom, beech good for weight loss?
Yes! Mushroom, beech is very low in calories (40 kcal/100g) and can be eaten in generous portions even on a calorie-restricted diet. Its fiber content (3.14g/100g) also promotes fullness.
How do I track Mushroom, beech calories accurately?
The easiest way to track mushroom is with CalRay. Simply snap a photo of your meal and the AI will automatically identify the food and calculate calories and macros based on the estimated portion size — no manual lookup required. You can also search by name and adjust gram weight manually.
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