Food · Fermented foods
Urume-Iwashi (Round Herring)
うるめいわし (Urume-iwashi)
Also known as: Urume-iwashi, Round herring, Big-eyed herring, Etrumeus teres, 潤目鰯, Urume
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| Category | Food |
|---|---|
| Japanese labeling name | うるめいわし |
| Common Japanese notations | うるめいわし, 潤目鰯, ウルメイワシ |
| Origin | Round herring (Etrumeus teres / Etrumeus sadina); distinct from common sardine (maiwashi) and Japanese pilchard (katakuchi-iwashi); principal domestic regions Kochi (Tosa Bay — premium urume-meshi), Wakayama, Mie, Shizuoka; defining ingredient for **urume-niboshi (premium niboshi dashi stock)** with cleaner, deeper umami than maiwashi-niboshi |
| Typical functions | Urume-niboshi premium dashi-stock niboshi — deeper umami than maiwashi, Maru-boshi (whole-dried urume) — Tosa Bay specialty, Mezashi (skewered salt-dried) — premium pre-modern preserve, Foodservice high-end soba/udon broth signature |
| Regulatory status in Japan | Standard food labeling. **Origin disclosure required.** Sardine (urume-iwashi) is **JAS-recommended-disclosure allergen.** Premium dashi-stock category. |
Urume-iwashi (うるめいわし / 潤目鰯) is the round herring (Etrumeus teres) — distinct from common sardine. Defining ingredient for **premium urume-niboshi dashi-stock** with deeper, cleaner umami than maiwashi-niboshi. Kochi Tosa Bay, Wakayama, Mie producers.
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
Used in (typical product categories)
Finished-product categories that commonly include this ingredient in Japanese-market formulations.
- Urume-niboshi B2B dashi-stock raw material (premium soba/udon channel)
- Maru-boshi retail
- Mezashi specialty retail
What it is
Etrumeus teres / sadina round herring.
Typical uses in Japanese products
Urume-niboshi premium dashi-stock B2B.
Maru-boshi whole-dried (Tosa specialty).
Mezashi salt-dried preserve.
Foodservice premium soba/udon broth.
For OEM: niboshi B2B raw material, retail dried-fish.
Regulatory classification in Japan
Standard food labeling. Origin disclosure. **Sardine JAS-recommended-disclosure allergen.**
Regulatory classification in other markets
| EU | **Fish EU-mandatory allergen.** Niche specialty in Asian-cuisine and dashi channel. |
|---|---|
| USA | Fish allergen disclosure. Niche specialty positioning. |
| China | Niche dashi-stock specialty. |
| Korea | Niche specialty. |
Example products
Example finished products will be added after verification.
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Sharing similar functions
Ingredients that overlap on functional benefit tags.
From the same origin
Other ingredients that share an origin classification.
References
- MEXT Standard Tables of Food Composition — うるめいわし
Last updated: 2026-04-28. Ingredient entries are reviewed at least annually against current regulatory listings.