Food · Fermented foods

Urui (Hosta Sieboldiana Shoots)

うるい (Urui)

Also known as: Urui, Hosta sieboldiana young shoots, Oba-giboshi, ウルイ, ギボウシ

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At a glance

CategoryFood
Japanese labeling nameうるい
Common Japanese notationsうるい, ウルイ, オオバギボウシ
OriginYoung shoots and tender leaves of Hosta sieboldiana (大葉擬宝珠, oba-giboshi); spring sansai mountain-vegetable harvested early in spring; modern cultivation in Yamagata (the leading region for cultivated urui), Niigata, Akita; wild foraging continues in mountain regions
Typical functionsSpring sansai mountain-vegetable cuisine — boiled, dressed, tempura, Mild salad green and ohitashi (boiled-and-dressed), Foodservice spring seasonal feature
Regulatory status in JapanStandard agricultural product labeling. Spring seasonal positioning. Urui is not a designated allergen.

Urui (うるい) is the young shoots and tender leaves of Hosta sieboldiana (the same plant species often grown ornamentally), a defining Japanese spring sansai (mountain vegetable) with mild flavor and tender texture. The OEM positioning is spring seasonal sansai specialty: as a salad green and ohitashi vegetable, as a tempura ingredient, and as a foodservice spring seasonal feature. Yamagata Prefecture is the leading cultivation region, with wild foraging continuing in Tohoku and Hokuriku mountain regions.

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.

  • Fresh cultivated urui retail (spring seasonal)
  • Wild yama-urui retail (limited supply)

What it is

Urui is the young leaf shoots of Hosta sieboldiana (oba-giboshi). The young leaves are pale green, tender, and mild-flavored, with a slight cucumber-like fresh character.

Production: Yamagata is the leading cultivation region. Wild yama-urui foraging in Tohoku and Hokuriku mountains.

Typical uses in Japanese products

Ohitashi (boiled-and-dressed) — boiled urui dressed with soy sauce or miso.

Tempura — battered and fried.

Salad green — mild flavor suits raw applications.

Foodservice spring seasonal — kaiseki and Japanese cuisine.

For OEM: fresh urui retail (Yamagata cultivated origin, spring seasonal), and spring foodservice ingredient supply.

Regulatory classification in Japan

Standard food labeling. Spring seasonal vegetable. Urui is not a designated allergen.

Regulatory classification in other markets

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

Example products

Example finished products will be added after verification of cultivation method 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.

Related ingredients

References

  1. MEXT Standard Tables of Food Composition — うるい

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

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