Food · Fermented foods

Fuki (Japanese Butterbur)

ふき (Fuki)

Also known as: Fuki, Japanese butterbur, Petasites japonicus, 蕗, Akita-buki (Akita giant cultivar), Aichi-buki

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At a glance

CategoryFood
Japanese labeling nameふき
Common Japanese notationsふき, 蕗, フキ, 秋田蕗, 愛知早生蕗
OriginJapanese butterbur (Petasites japonicus); native Japanese mountain vegetable; modern domestic cultivation in Aichi (Aichi-buki, the volume cultivated leader), Akita (Akita-buki, distinctive giant cultivar with stalks 1-2m), Hokkaido; the petioles (leaf stalks) are eaten
Typical functionsFuki-no-nimono — traditional simmered preparation, Kyaraboki — sweet-savory simmered fuki preparation, Premium Akita-buki gift retail, Spring sansai cuisine
Regulatory status in JapanStandard agricultural product labeling. Akita-buki (Akita giant) and Aichi-buki regional brands established. Note: fuki contains pyrrolizidine alkaloids requiring proper processing (water-soaking, lye-treatment) before consumption — properly processed retail products are food-safe. Not a designated allergen.

Fuki (ふき / 蕗) — Japanese butterbur (Petasites japonicus) — is a defining Japanese spring sansai with substantial OEM applications: as fresh spring vegetable for traditional fuki-no-nimono and kyaraboki preparations, as Akita-buki (the distinctive giant Akita cultivar with stalks 1-2m, used for premium gift retail), as Aichi-buki (the volume cultivated leader for everyday retail), and as kaiseki spring ingredient. Critical safety note: fuki contains pyrrolizidine alkaloids requiring proper water-soaking processing — only properly processed retail products are appropriate.

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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.

  • Fresh fuki (spring seasonal, March-May)
  • Pre-cooked vacuum-pack fuki
  • Kyaraboki retail
  • Akita-buki giant gift retail

Ingredient profile

Fuki is Petasites japonicus, a perennial native to Japanese cool-temperate forests and mountain regions. The petioles (leaf stalks) are the food product.

Major cultivars: Akita-buki (秋田蕗, distinctive giant cultivar with stalks 1-2m long), Aichi-buki (Aichi early-season volume cultivated leader).

OEM applications

Fuki-no-nimono — sweet-savory simmered preparation.

Kyaraboki — long-simmered fuki, traditional preserved category.

Premium Akita-buki gift retail.

Kaiseki spring ingredient.

For OEM: fresh fuki retail (spring seasonal), pre-cooked vacuum-pack convenience format, kyaraboki production OEM, Akita-buki premium gift retail.

Regulatory classification in Japan

Standard food labeling. Akita-buki, Aichi-buki regional brands established.

Critical safety: pyrrolizidine alkaloid processing required.

Fuki is not a designated allergen.

Regulatory classification in other markets

EUNiche specialty / regulatory considerations for pyrrolizidine alkaloids.
USANiche specialty positioning.
ChinaNiche specialty positioning.
KoreaKorea has its own meowi (머위) butterbur tradition.

Market reference formulations

Example finished products will be added after verification of cultivar (Akita-buki / Aichi-buki) and 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.

Seasonality & supply calendar

Harvest months
March – May
Peak supply
April
Off-season
October – February

Source: 農林水産省 山菜統計. Aichi Prefecture (early forced production) supplies from January; wild supply peaks in spring.

Storage requirements

How the receiving OEM facility needs to handle inbound raw material.

Temperature
Chilled 0–4°C
Conditions
Stalks bunched, plastic-wrapped
Shelf life
Fresh 7 days at 0°C; salt-cured 6 months

Supply concentration

Where this ingredient comes from — useful for single-source-risk planning.

Primary regions
Aichi (Mizonokuchi — forced production leader), Akita, Niigata (wild)
Import dependence
100% domestic

農林水産省 野菜・山菜統計

Certifications commonly available

Certification schemes commonly obtainable for this raw material. Always confirm the specific supplier's current certificate before contracting.

SchemeAvailability
Organic JASOn-request
HalalInherent
VeganInherent

Alternative ingredients

Related ingredients commonly evaluated as substitutes.

Quick answers

What is Fuki (Japanese Butterbur)?
Fuki (ふき / 蕗) — Japanese butterbur (Petasites japonicus) — is a defining Japanese spring sansai with substantial OEM applications: as fresh spring vegetable for traditional fuki-no-nimono and kyaraboki preparations, as Akita-buki (the distinctive giant Akita cultivar with stalks 1-2m, used for premium gift retail), as Aichi-buki (the volume cultivated leader for everyday retail), and as kaiseki spring ingredient. Critical safety note: fuki contains pyrrolizidine alkaloids requiring proper water-soaking processing — only properly processed retail products are appropriate.
What is the regulatory status of Fuki (Japanese Butterbur) in Japan?
Standard agricultural product labeling. Akita-buki (Akita giant) and Aichi-buki regional brands established. Note: fuki contains pyrrolizidine alkaloids requiring proper processing (water-soaking, lye-treatment) before consumption — properly processed retail products are food-safe. Not a designated allergen.
What products typically use Fuki (Japanese Butterbur)?
Fresh fuki (spring seasonal, March-May) / Pre-cooked vacuum-pack fuki / Kyaraboki retail / Akita-buki giant gift retail
Where does Fuki (Japanese Butterbur) come from?
Japanese butterbur (Petasites japonicus); native Japanese mountain vegetable; modern domestic cultivation in Aichi (Aichi-buki, the volume cultivated leader), Akita (Akita-buki, distinctive giant cultivar with stalks 1-2m), Hokkaido; the petioles (leaf stalks) are eaten
What is the INCI / JSCI labeling name for Fuki (Japanese Butterbur)?
JSCI: ふき

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References

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

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

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