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Black oyster mushrooms grow in overlapping, fan-shaped caps ranging from charcoal gray to nearly black, with fine pale gills beneath and short, creamy stems.
●Low GI
★Natural
⚡High Potassium

Black Oyster Mushroom Calories

Low calorie, rich in fiber and B vitamins, source of antioxidants

In season: Spring · Summer · Autumn

CALORIES · 100 G

33kcal

GI

15low

POTASSIUM · 100 G

420mg

FIBER · 100 G

2.3g

Quick answer

1 cup (medium) of Black Oyster Mushroom (70 g) has 23 calories. That works out to 33 calories per 100 g. It contains 4.3 g of carbs, 2.3 g of protein, 0.3 g of fat and 1.6 g of fiber. Its 11.2 µg of Biotin covers 37% of the Daily Value. Its glycemic index is 15 (low), so it raises blood sugar slowly.

Black Oyster Mushroom Nutrition Facts

Selected: 1 cup (medium) · 70 g

23

KCAL / 70G

Carbs

4.3g

· 2% DV

Protein

2.3g

· 5% DV

Fat

0.3g

· 0% DV

Fiber

1.6g

· 6% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 59% · Protein 32% · Fat 9%

Black Oyster Mushroom nutrition facts table · 1 cup (medium) (70 g)

NutrientAmount% DV
Calories23 kcal
Total fat0.3 g0%
Saturated fat0.04 g0%
Trans fat0 g
Sodium13 mg1%
Total carbohydrate4.3 g2%
Fiber1.6 g6%
Protein2.3 g5%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 1 Cup of Black Oyster Mushroom?

ServingAmountCalories
1 cup (medium)70 g23 kcal
1 piece (small)20 g7 kcal
1 piece (large)40 g13 kcal
1 cup (thin)40 g13 kcal
1 cup (chopped)50 g17 kcal
1 serving (medium)85 g28 kcal
1 cup (thick)90 g30 kcal
100 g100 g33 kcal

Calculated from 33 calories per 100 g.

Frequently Asked Questions About Black Oyster Mushroom

How do you cook black oyster mushrooms?

Cook black oyster mushrooms in a hot pan until browned and tender. Tear or slice them into similar-sized pieces, work in batches so they do not steam, and season near the end. They also roast well and can be added to soups or stir-fries.

What do black oyster mushrooms taste like?

Black oyster mushrooms have a mild, savory, earthy flavor and a tender, meaty texture when cooked. Their taste is not usually overpowering, so they work well with garlic, herbs, noodles, eggs, and other ingredients that readily absorb flavor.

How do you clean black oyster mushrooms?

Brush dirt from black oyster mushrooms with a soft brush or wipe them with a damp cloth. If they need rinsing, use cool running water briefly and dry them well. Avoid soaking them, as they can absorb water and brown poorly during cooking.

Can you eat the stems of black oyster mushrooms?

Yes, black oyster mushroom stems are edible. They can be firmer than the caps, so slice them thinly or give them a little extra cooking time. Trim off any dry, tough base, but keep the tender stem for sautés, soups, or stocks.

Can black oyster mushrooms be eaten raw?

It is better to cook black oyster mushrooms rather than eat them raw. Cooking softens their texture and makes them easier to digest. A quick sauté, roast, or addition to a simmering dish is an easy way to prepare them.

How should you store black oyster mushrooms?

Keep black oyster mushrooms unwashed in a paper bag or another breathable container in the refrigerator. Trapped moisture in sealed plastic can make them spoil faster. Use them while they are firm and dry, and discard any that become slimy or smell unpleasant.

Can you freeze black oyster mushrooms?

Yes, black oyster mushrooms freeze best after a brief sauté. Let them cool, pack them in an airtight freezer container, and use them straight from frozen in cooked dishes. Thawed mushrooms are softer, so they are less suitable for recipes that depend on a firm texture.

Are black oyster mushrooms different from regular oyster mushrooms?

Black oyster mushrooms are a dark-colored type of oyster mushroom, and they can generally be prepared in the same ways as other oyster mushrooms. Their shade may vary with the variety and growing conditions, so color alone does not tell you whether a mushroom has spoiled.

Can black oyster mushrooms be used as a meat substitute?

Black oyster mushrooms can replace meat in some dishes when you want a savory, substantial texture, especially in tacos, stir-fries, and pasta. They do not provide the same nutritional balance as meat, so pair them with another protein source if that matters for the meal.

Are black oyster mushrooms good for you?

Yes, black oyster mushrooms can be a nourishing part of a varied diet. They provide fiber and B vitamins and contain antioxidant compounds. Their benefits come as part of an overall eating pattern; they are not a treatment or cure for any condition.

Black Oyster Mushroom Vitamins & Minerals

Vitamins

Biotin

11.2µg · 37% DV

B3

3.64mg · 23% DV

B2

0.24mg · 18% DV

B5

0.91mg · 18% DV

Minerals

Copper

0.14mg · 16% DV

Phosphorus

84mg · 12% DV

Potassium ⭐

294mg · 9% DV

Zinc

0.77mg · 7% DV

Sodium

13mg · 1% DV

Black Oyster Mushroom Glycemic Index

GLYCEMIC INDEX

15
Low
0 Low5570100

GLYCEMIC LOAD

0.7
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Black Oyster Mushroom

To burn the 23 calories in 1 cup (medium) (70 g):

🚶

6min

Walking (5 km/h)

🏃

2min

Running (8 km/h)

🚴

3min

Cycling

🏊

3min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Black Oyster Mushroom?

Black oyster mushroom is a dark-capped member of the edible oyster mushroom group, with fan-shaped caps that often grow in clusters on wood. It is cultivated in many parts of the world and used in a range of cuisines, including East Asian cooking. Its mild, earthy flavour and substantial, tender texture make it an easy ingredient to work into everyday meals.

Sauté it until browned, or add it to soups, noodles, pasta and vegetable dishes; it pairs especially well with garlic, herbs and soy-based seasonings. At 33 calories and 2.3 g of fibre per 100 g, it brings satisfying texture without adding much energy. For a lighter preparation, use a little oil and let the mushrooms brown rather than crowding the pan.

How Nutritious Is Black Oyster Mushroom?

Nutrient density

High

78/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Medium

53/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Is Black Oyster Mushroom Processed?

NOVA 1

Unprocessed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Black Oyster Mushroom Contain Allergens?

No known major allergens

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts free
Fish free
Soy free
Sesame free

Which Diets Is Black Oyster Mushroom Good For?

Vegan

✓ Suitable

Vegetarian

✓ Suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

✓ Suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Black Oyster Mushroom Fat Profile

SATURATED

0.04g

MONOUNSATURATED

0.03g

POLYUNSATURATED

0.08g

⚖️

Omega 6:3 ratio 6:1

Above the ideal 4:1 (6:1).

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Nutrition data compiled from USDA FoodData Central and scientific sources.