Food · Fermented foods
Buna-Shimeji (Beech Mushroom)
ぶなしめじ (Buna-shimeji)
Also known as: Buna-shimeji, Beech mushroom, Hypsizygus marmoreus, ブナシメジ, Honshimeji (incorrect)
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| Category | Food |
|---|---|
| Japanese labeling name | ぶなしめじ |
| Common Japanese notations | ぶなしめじ, ブナシメジ, ホクト, ホンシメジ (※誤称) |
| Origin | Beech mushroom (Hypsizygus marmoreus); Hokuto Corporation pioneered modern bottle-cultivation; principal modern producers Nagano (Hokuto), Niigata, Fukuoka; year-round indoor cultivation; **NOT the same as true honshimeji (Lyophyllum shimeji)** which remains nearly impossible to cultivate at scale; widely sold under 'shimeji' colloquial name |
| Typical functions | Mass-market household mushroom — most-purchased Japanese cultivated mushroom, Hot-pot, stir-fry, miso-soup, pasta universal, Foodservice everyday rotation, Bag-grown convenience format (year-round 100g/200g pack) |
| Regulatory status in Japan | Standard agricultural product labeling. **Buna-shimeji is the cultivated species** — labeling 'shimeji' on bag is permitted but distinct from true honshimeji (rare and not cultivated at scale). Not a designated allergen. |
Buna-shimeji (ぶなしめじ) — beech mushroom (Hypsizygus marmoreus) — is Japan's mass-market cultivated mushroom. Hokuto Corporation pioneered bottle-cultivation; principal producers Nagano, Niigata. **Distinct from true honshimeji (Lyophyllum shimeji)** which remains nearly impossible to cultivate.
Classification
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Product applications
Functions
Regulatory tags
Origin
Used in (typical product categories)
Finished-product categories that commonly include this ingredient in Japanese-market formulations.
- Fresh buna-shimeji retail (Hokuto, Yukiguni Maitake brand bags)
- Foodservice cut B2B
- Frozen pre-cut OEM
What it is
Hypsizygus marmoreus beech mushroom (cultivated species).
Typical uses in Japanese products
Hot-pot, stir-fry, miso-soup, pasta universal.
Foodservice everyday rotation.
Year-round bag retail.
For OEM: fresh retail, foodservice cut B2B, frozen pre-cut.
Regulatory classification in Japan
Standard food labeling. Origin disclosure. **Distinct from true honshimeji.** Not a designated allergen.
Regulatory classification in other markets
| EU | Established culinary mushroom market. |
|---|---|
| USA | Established culinary mushroom market. |
| China | Established as 蟹味菇. |
| Korea | Established as 만가닥버섯. |
Example products
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Sharing similar functions
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From the same origin
Other ingredients that share an origin classification.
References
- MEXT Standard Tables of Food Composition — ぶなしめじ
Last updated: 2026-04-28. Ingredient entries are reviewed at least annually against current regulatory listings.