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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At a glance

CategoryFood
Japanese labeling nameのざわな
Common Japanese notationsのざわな, 野沢菜, ノザワナ
OriginNagano 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 functionsNozawana-zuke pickle — defining Nagano regional pickle category, Premium gift retail (Nagano regional gift), Lactic-fermented traditional pickle (probiotic content)
Regulatory status in JapanStandard 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.

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Classification

Tags below link to other ingredients sharing the same attribute, so you can pivot from one ingredient to its peers.

Common OEM product categories

Finished-product categories where Japanese OEM manufacturers commonly formulate with this ingredient.

  • Nozawana-zuke pickle retail (Nagano regional gift, with various flavor variations)
  • Fresh nozawana (limited seasonal supply for traditional pickling)

Ingredient profile

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.

OEM applications

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

EUNiche specialty in Japanese-cuisine and pickle channels.
USANiche specialty positioning.
ChinaNiche specialty positioning.
KoreaNiche specialty positioning. Korea has its own pickled greens traditions.

Market reference formulations

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.

Alternative ingredients

Related ingredients commonly evaluated as substitutes.

Quick answers

What is Nozawana (Nagano Premium Pickle Mustard Green)?
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.
What is the regulatory status of Nozawana (Nagano Premium Pickle Mustard Green) in Japan?
Standard agricultural product labeling. Nagano regional brand established. Lactic fermentation. Not a designated allergen.
What products typically use Nozawana (Nagano Premium Pickle Mustard Green)?
Nozawana-zuke pickle retail (Nagano regional gift, with various flavor variations) / Fresh nozawana (limited seasonal supply for traditional pickling)
Where does Nozawana (Nagano Premium Pickle Mustard Green) come from?
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
What is the INCI / JSCI labeling name for Nozawana (Nagano Premium Pickle Mustard Green)?
JSCI: のざわな

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References

  1. 文部科学省 (Ministry of Education, Culture, Sports, Science and Technology) 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.

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