Food · Fermented foods
Nozawana (Nagano Premium Pickle Mustard Green)
のざわな (Nozawana)
Also known as: Nozawana, Nagano mustard greens, Brassica rapa var. hakabura, 野沢菜
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| Category | Food |
|---|---|
| Japanese labeling name | のざわな |
| Common Japanese notations | のざわな, 野沢菜, ノザワナ |
| Origin | Nagano regional Brassica rapa pickle cultivar; principal production in Nagano Nozawa-onsen and surrounding areas; the cultivar with traditional pickling tradition spanning over 250 years |
| Typical functions | Nozawana-zuke pickle — defining Nagano regional pickle category, Premium gift retail (Nagano regional gift), Lactic-fermented traditional pickle (probiotic content) |
| Regulatory status in Japan | Standard agricultural product labeling. Nagano regional brand established. Lactic fermentation. Not a designated allergen. |
Nozawana (のざわな / 野沢菜) is a Nagano regional Brassica rapa cultivar with over 250 years of traditional pickling heritage. The OEM positioning is exclusively premium Nagano regional pickle: as nozawana-zuke (one of Japan's most established traditional pickle categories), as Nagano regional gift retail (substantial gift category), and as lactic-fermented traditional pickle with probiotic content. Nagano Nozawa-onsen and surrounding areas are the production heartland.
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.
- Nozawana-zuke pickle retail (Nagano regional gift, with various flavor variations)
- Fresh nozawana (limited seasonal supply for traditional pickling)
What it is
Nozawana is a Brassica rapa pickling cultivar with origins in Nagano Nozawa-onsen area. Long leafy form (50-100cm), suited to traditional pickling.
Lactic fermentation with salt produces nozawana-zuke.
Typical uses in Japanese products
Nozawana-zuke pickle — defining Nagano regional pickle.
Nozawana-onigiri rice ball.
Nozawana cha-zuke (rice with nozawana and tea).
Premium Nagano gift retail.
For OEM: nozawana-zuke production OEM with Nagano regional sourcing, premium gift retail formulations.
Regulatory classification in Japan
Standard food labeling. Nagano regional brand established. Not a designated allergen.
Regulatory classification in other markets
| EU | Niche specialty in Japanese-cuisine and pickle channels. |
|---|---|
| USA | Niche specialty positioning. |
| China | Niche specialty positioning. |
| Korea | Niche specialty positioning. Korea has its own pickled greens traditions. |
Example products
Example finished products will be added after verification of Nagano Nozawa-onsen origin.
All brand names and product names referenced anywhere on this site are the property of their respective owners. Example entries are provided for informational purposes only and do not imply endorsement.
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From the same origin
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References
- MEXT Standard Tables of Food Composition — のざわな
Last updated: 2026-04-28. Ingredient entries are reviewed at least annually against current regulatory listings.