Food · Fermented foods
Wa-shu Nabana (Japanese Rapeseed Flower)
和種なばな (Wa-shu Nabana)
Also known as: Wa-shu nabana, Japanese rapeseed flower, Brassica rapa flower buds, 和種菜花, Nanohana
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| Category | Food |
|---|---|
| Japanese labeling name | 和種なばな |
| Common Japanese notations | 和種なばな, 菜花, なのはな |
| Origin | Brassica rapa flower buds and stalks (Japanese cultivar); spring seasonal vegetable; principal modern production regions Chiba, Tokushima |
| Typical functions | Spring seasonal foodservice signature, Karashi-ae (mustard-dressed) preparation |
| Regulatory status in Japan | Standard agricultural product labeling. Spring seasonal positioning. Not a designated allergen. |
Wa-shu nabana (和種なばな) is the Japanese cultivar of Brassica rapa flower buds and stalks, a defining spring seasonal vegetable. Distinctive aromatic bitterness suits karashi-ae (mustard-dressed) preparations and spring kaiseki.
Classification
Tags below link to other ingredients sharing the same attribute, so you can pivot from one ingredient to its peers.
Product applications
Functions
Regulatory tags
Origin
Common OEM product categories
Finished-product categories where Japanese OEM manufacturers commonly formulate with this ingredient.
- Fresh wa-shu nabana retail (spring seasonal, January-April)
Ingredient profile
Brassica rapa flower buds and stalks, Japanese cultivar.
OEM applications
Karashi-ae (mustard-dressed).
Spring kaiseki.
For OEM: spring seasonal retail.
Regulatory classification in Japan
Standard food labeling. Not a designated allergen.
Regulatory classification in other markets
| EU | Niche specialty positioning. |
|---|---|
| USA | Niche specialty positioning. |
| China | Niche specialty positioning. |
| Korea | Niche specialty positioning. |
Market reference formulations
Example finished products will be added after verification.
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Sharing similar functions
Ingredients that overlap on functional benefit tags.
From the same origin
Other ingredients that share an origin classification.
References
- MEXT Standard Tables of Food Composition — 和種なばな
Last updated: 2026-04-28. Ingredient entries are reviewed at least annually against current regulatory listings.