Food · Fermented foods

Kawanori (River Nori)

かわのり (Kawanori)

Also known as: Kawanori, River nori, Prasiola japonica, 川海苔

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At a glance

CategoryFood
Japanese labeling nameかわのり
Common Japanese notationsかわのり, 川海苔, カワノリ
OriginPrasiola japonica freshwater nori; harvested from clean rivers; principal traditional regions Yoshino-river (Tokushima/Kochi) and other clean Japanese rivers
Typical functionsHeritage regional gift specialty, Premium aromatic accent for kaiseki
Regulatory status in JapanStandard agricultural product labeling. Heritage specialty. Not a designated allergen.

Kawanori (かわのり / 川海苔) is freshwater Prasiola japonica nori, harvested from clean rivers (Yoshino-river area is the heritage region). Premium kaiseki specialty.

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Classification

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Common OEM product categories

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

  • Dried kawanori (small artisanal supply)

Ingredient profile

Prasiola japonica freshwater nori.

OEM applications

Premium kaiseki accent.

Heritage gift retail.

For OEM: very limited specialty supply.

Regulatory classification in Japan

Standard food labeling. Heritage specialty. Not a designated allergen.

Regulatory classification in other markets

EUNiche specialty positioning.
USANiche specialty positioning.
ChinaNiche specialty positioning.
KoreaNiche specialty positioning.

Market reference formulations

Example finished products will be added after verification.

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Alternative ingredients

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Quick answers

What is Kawanori (River Nori)?
Kawanori (かわのり / 川海苔) is freshwater Prasiola japonica nori, harvested from clean rivers (Yoshino-river area is the heritage region). Premium kaiseki specialty.
What is the regulatory status of Kawanori (River Nori) in Japan?
Standard agricultural product labeling. Heritage specialty. Not a designated allergen.
What products typically use Kawanori (River Nori)?
Dried kawanori (small artisanal supply)
Where does Kawanori (River Nori) come from?
Prasiola japonica freshwater nori; harvested from clean rivers; principal traditional regions Yoshino-river (Tokushima/Kochi) and other clean Japanese rivers
What is the INCI / JSCI labeling name for Kawanori (River Nori)?
JSCI: かわのり

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References

  1. 文部科学省 (Ministry of Education, Culture, Sports, Science and Technology) Standard Tables of Food Composition — かわのり

Last updated: 2026-04-28. Ingredient entries are reviewed at least annually against current regulatory listings.

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