Food · Fermented foods

Karashi (Japanese Mustard)

からし (Karashi)

Also known as: Karashi, Japanese mustard, Brassica juncea seed mustard, 辛子, Wagarashi, Yo-garashi

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At a glance

CategoryFood
Japanese labeling nameからし
Common Japanese notationsからし, 辛子, カラシ, 和がらし, 洋がらし
OriginJapanese mustard (Brassica juncea seed); the wa-garashi (Japanese mustard) is hot-yellow with sharp sinus-clearing pungency; yo-garashi (Western/French mustard) is milder; principal supply Chinese imports for raw material
Typical functionsKarashi-mentai accompaniment, Oden mustard accompaniment, Tonkatsu (with sauce) condiment, Tsukemen and ramen condiment
Regulatory status in JapanStandard food labeling. Not a designated allergen.

Karashi (からし / 辛子) is Japanese mustard with sharp sinus-clearing pungency, distinct from Western mustard. Universal condiment for tonkatsu, oden, karashi-mentai, ramen.

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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.

  • Tube karashi retail (House Foods, S&B Foods)
  • Powder karashi retail
  • Premium hand-mixed karashi (kaiseki use)

Ingredient profile

Brassica juncea seed mustard.

OEM applications

Tonkatsu condiment.

Oden accompaniment.

Karashi-mentai.

Ramen and tsukemen.

For OEM: tube karashi production OEM, powder retail.

Regulatory classification in Japan

Standard food labeling. Not a designated allergen.

Regulatory classification in other markets

EUEstablished global mustard market.
USAEstablished US mustard market (different style).
ChinaEstablished global trade.
KoreaEstablished Korean mustard market.

Market reference formulations

Example finished products will be added after verification.

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Alternative ingredients

Related ingredients commonly evaluated as substitutes.

Quick answers

What is Karashi (Japanese Mustard)?
Karashi (からし / 辛子) is Japanese mustard with sharp sinus-clearing pungency, distinct from Western mustard. Universal condiment for tonkatsu, oden, karashi-mentai, ramen.
What is the regulatory status of Karashi (Japanese Mustard) in Japan?
Standard food labeling. Not a designated allergen.
What products typically use Karashi (Japanese Mustard)?
Tube karashi retail (House Foods, S&B Foods) / Powder karashi retail / Premium hand-mixed karashi (kaiseki use)
Where does Karashi (Japanese Mustard) come from?
Japanese mustard (Brassica juncea seed); the wa-garashi (Japanese mustard) is hot-yellow with sharp sinus-clearing pungency; yo-garashi (Western/French mustard) is milder; principal supply Chinese imports for raw material
What is the INCI / JSCI labeling name for Karashi (Japanese Mustard)?
JSCI: からし

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References

  1. 文部科学省 (Ministry of Education, Culture, Sports, Science and Technology) Standard Tables of Food Composition — からし 各形態

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

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