Food · Seasonings
Wasabi Powder
山葵粉末 (Wasabi funmatsu)
Also known as: Powdered Wasabi, Wasabia Japonica Root Powder
Listed on the Sourcing platform — request supplier introductionsAt a glance
| Category | Food |
|---|---|
| INCI name | Not applicable (food use)↗ |
| Japanese labeling name | Not applicable (food use) |
| Common Japanese notations | 山葵粉末, ワサビ粉, 本わさび粉末 |
| Origin | Plant-derived (Wasabia japonica / Eutrema japonicum rhizome, dried and milled) |
| Typical functions | Pungent seasoning (primary, allyl isothiocyanate), Antimicrobial / preservation effect in raw-fish accompaniments |
| Regulatory status in Japan | Food regulated under the Food Sanitation Act. Authentic 本わさび (hon-wasabi) labeling distinguishes Wasabia japonica from horseradish-based seiyō-wasabi (西洋わさび). |
Authentic Japanese wasabi (Wasabia japonica, also classified as Eutrema japonicum) is cultivated in pristine flowing-water beds and is botanically and sensorially distinct from the horseradish-based pseudo-wasabi common internationally. The freeze-dried or air-dried rhizome is milled into a fine pale-green powder for use in stabilized paste manufacturing and direct culinary applications. Shizuoka (Utogi and the Izu Peninsula) and Nagano (Azumino) are the two anchor production regions, with secondary production in Iwate (Iwaizumi) and Shimane.
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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.
Product applications
Functions
Regulatory tags
Origin
Common OEM product categories
Finished-product categories where Japanese OEM manufacturers commonly formulate with this ingredient.
- Sushi and sashimi accompaniment
- Stabilized wasabi paste manufacturing
- Snack and seasoning blends
- Dressings and dipping sauces
Ingredient profile
Wasabi powder is produced by drying the cultivated rhizome of Wasabia japonica and grinding it to a fine flour. The drying process partially deactivates the myrosinase enzyme system that liberates allyl isothiocyanate from sinigrin in the fresh rhizome; rehydration with water reactivates pungency.
Two distinct grades exist on the market. Hon-wasabi (本わさび) powder is produced from authentic Wasabia japonica and is required to be labeled as such under industry guidance. Seiyō-wasabi (西洋わさび) powder, produced from horseradish (Armoracia rusticana) and tinted with food coloring, is the basis of most internationally distributed 'wasabi' powder. Many commercial blends combine the two with the proportion declared on the label.
OEM applications
Wasabi powder is reconstituted with water immediately before serving as the traditional accompaniment to sushi, sashimi, and soba. In food manufacturing, it is the base for stabilized paste-format wasabi (tube wasabi), wasabi-flavored mayonnaise, dressings, snack seasonings, and wasabi-flavored peanuts and rice crackers.
Industrial users typically procure 1–10 kg powder lots, with bulk paste available at 100 kg+ scale. Lead times of 6–12 weeks are typical for authentic Wasabia japonica origin material due to the multi-year cultivation cycle of the rhizome.
Regulatory classification in Japan
Food regulation under Food Sanitation Act. Industry labeling guidance distinguishes 本わさび (Wasabia japonica) from 西洋わさび (horseradish) and requires accurate proportional declaration on blended products.
The cosmetic extract form (Wasabia Japonica Root Extract / ワサビ根エキス) is separately listed in the JSCI labeling name dictionary.
Regulatory classification in other markets
| EU | Permitted for food import. Allergen and isothiocyanate-sensitivity considerations may apply to certain consumer populations; manufacturers should verify labeling requirements per Member State. |
|---|---|
| USA | Generally Recognized as Safe (GRAS) for food use. FDA labeling guidance requires honest distinction between authentic 'wasabi' and 'wasabi-flavored' (horseradish-based) products. |
| China | Suppliers should verify the specific preparation against current food ingredient listings. |
| Korea | Permitted for culinary use, with similar accompaniment applications in Korean cuisine. |
Market reference formulations
Example finished products will be added after each product's current full ingredient list has been verified. Authentic 本わさび labeling and regional production-area branding (Utogi, Azumino) are handled as descriptive context.
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.
Seasonality & supply calendar
- Harvest months
- Source wasabi roots harvested year-round; processing typically continuous
- Peak supply
- Year-round
- Off-season
- None
Source: 静岡県 / 長野県 ワサビ統計. Most retail wasabi powder is mainly seiyo-wasabi (horseradish) blended with a small percentage of true wasabi — disclose blend ratio per labeling rules.
Certifications commonly available
Certification schemes commonly obtainable for this raw material. Always confirm the specific supplier's current certificate before contracting.
| Scheme | Availability | |
|---|---|---|
| Halal | Common | Plant-derived; wasabi powder products often Halal-certified |
| Kosher | On-request | |
| Vegan | Inherent |
Documented adulteration risks
Known fraud / adulteration patterns reported by regulators or industry bodies. Specify CoA params and screening tests on every PO.
- 'Wasabi' powder is overwhelmingly seiyo-wasabi (horseradish, Armoracia rusticana) + green colorant — not true wasabi (Eutrema japonicum)
- True-wasabi content often <5% even in products labeled '本わさび使用' (legally allowed if any % of true wasabi is present)
Detection: Allyl-isothiocyanate / 6-MITC HPLC profile; DNA verification of source plant; require '本わさび 100%' declaration on CoA for true wasabi
消費者庁 食品表示Q&A / 食品表示法
Alternative ingredients
Related ingredients commonly evaluated as substitutes.
Quick answers
- What is Wasabi Powder?
- Authentic Japanese wasabi (Wasabia japonica, also classified as Eutrema japonicum) is cultivated in pristine flowing-water beds and is botanically and sensorially distinct from the horseradish-based pseudo-wasabi common internationally. The freeze-dried or air-dried rhizome is milled into a fine pale-green powder for use in stabilized paste manufacturing and direct culinary applications. Shizuoka (Utogi and the Izu Peninsula) and Nagano (Azumino) are the two anchor production regions, with secondary production in Iwate (Iwaizumi) and Shimane.
- What is the regulatory status of Wasabi Powder in Japan?
- Food regulated under the Food Sanitation Act. Authentic 本わさび (hon-wasabi) labeling distinguishes Wasabia japonica from horseradish-based seiyō-wasabi (西洋わさび).
- What products typically use Wasabi Powder?
- Sushi and sashimi accompaniment / Stabilized wasabi paste manufacturing / Snack and seasoning blends / Dressings and dipping sauces
- Where does Wasabi Powder come from?
- Plant-derived (Wasabia japonica / Eutrema japonicum rhizome, dried and milled)
- What is the INCI / JSCI labeling name for Wasabi Powder?
- INCI: Not applicable (food use) / JSCI: Not applicable (food use)
Related ingredients — substitutes, pairings, processing chain
Often used with
Ingredients frequently paired in the same recipe or formulation.
Same category
Other ingredients in the same sub-category.
Ago Dashi (Flying Fish Stock)
あごだし
Awase Dashi (Combined Bonito and Kelp Stock)
合わせだし
Katsuo Dashi (Honkarebushi — 2-Year-Aged Premium Bonito Stock)
本枯節かつおだし
Kombu Dashi (Kelp Stock)
昆布だし
Mentsuyu (Noodle Soup Base)
めんつゆ
Niboshi Dashi (Dried Sardine Stock)
煮干しだし
Wasabi Extract
ワサビ根エキス
Rice Vinegar
米酢
Bonito Extract (Katsuobushi)
鰹節エキス
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From the same origin
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Related guides & how-to
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Regulatory guidance
Take the next step
FAQ for OEM buyers
Q. What is the difference between hon-wasabi (本わさび) and seiyō-wasabi (西洋わさび)?
Hon-wasabi is authentic Japanese wasabi — Eutrema japonicum (synonym Wasabia japonica) — a Brassicaceae rhizome cultivated in flowing-water beds. Seiyō-wasabi is European horseradish (Armoracia rusticana), a different species in the same family, often dyed green. Most internationally distributed 'wasabi' powder and tube paste is horseradish-based with little or no Eutrema japonicum. Japanese industry guidance requires the hon-wasabi proportion to be declared on blended products.
Sources · Last reviewed: 2026-04-26
Q. What is the current accepted scientific name — Wasabia japonica or Eutrema japonicum?
Modern botanical taxonomy classifies authentic wasabi as Eutrema japonicum (Miq.) Koidz. Wasabia japonica is treated as a synonym and remains in widespread use in commercial and INCI literature. Both names refer to the same plant, and INCI labeling uses Wasabia Japonica Root Extract / Powder.
Sources · Last reviewed: 2026-04-26
Q. What pungent compound gives wasabi its distinctive heat?
Wasabi's pungency comes from allyl isothiocyanate and related isothiocyanates, generated when the myrosinase enzyme in the rhizome contacts sinigrin upon grating or rehydration. The drying process used to make powder partially deactivates the enzyme system; reactivation requires mixing with water and a brief rest before use to develop full pungency.
Sources · Last reviewed: 2026-04-26
Q. Is the cultivation method protected or recognized as cultural heritage?
Yes. Shizuoka's traditional water-based wasabi cultivation — including the tatamiishi-style terraced beds developed in Nakaizu around 1892 — was designated a Globally Important Agricultural Heritage System (GIAHS) by the Food and Agriculture Organization of the United Nations (FAO). Utogi village in Shizuoka City is documented as the historical origin of cultivated wasabi, with cultivation beginning in the Keichō era (1596–1615).
Sources · Last reviewed: 2026-04-26
Use cases
Stabilized wasabi tube paste
- Positioning
- Foodservice and retail format — stabilized paste manufactured from rehydrated wasabi powder (often blended with horseradish), with the hon-wasabi percentage declared on the label per Japanese industry guidance.
- Formulation notes
- Powder is typically rehydrated, blended with binders and stabilizers (xanthan gum, sorbitol), and packaged in oxygen-barrier tubes. Pungency must be developed before paste filling; once stabilized, it is more shelf-stable than fresh-grated rhizome but loses peak aroma over months.
Sources
Industry-knowledge claim — not yet pinned to a single primary source
Snack seasoning (wasabi peas, rice crackers, peanuts)
- Positioning
- Convenience snack format — wasabi powder is the base for the spray-dried or dusted seasoning applied to coated nuts, peas, and senbei rice crackers in both domestic Japanese and export markets.
Sources
Industry-knowledge claim — not yet pinned to a single primary source
Sushi/sashimi accompaniment supply (foodservice)
- Positioning
- Premium Japanese restaurant supply — premium tier uses fresh-grated authentic rhizome, but powder-based reconstituted wasabi serves the broader foodservice and conveyor-belt sushi market, with hon-wasabi proportion as a positioning lever.
Sources
Industry-knowledge claim — not yet pinned to a single primary source
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Official regulatory databases
External links to public Japanese / international regulatory authorities. We are not affiliated.
References
- 農林水産省 (Ministry of Agriculture, Forestry and Fisheries) food classification — wasabi
- Shizuoka Prefecture wasabi production overview
- Japan Wasabi Association labeling guidance
Last updated: 2026-04-25. Ingredient entries are reviewed at least annually against current regulatory listings.