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.

Classification

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

Functions

Regulatory tags

Used in (typical product categories)

Finished-product categories that commonly include this ingredient in Japanese-market formulations.

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

What it is

Brassica juncea seed mustard.

Typical uses in Japanese products

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.

Example products

Example finished products will be added after verification.

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.

Related ingredients

References

  1. MEXT 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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