Food · Fermented foods
Hitoegusa (Single-Layer Green Laver)
ひとえぐさ (Hitoegusa)
Also known as: Hitoegusa, Monostroma nitidum, ひとえぐさ, 一重草, Hitoegusa-aonori
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| Category | Food |
|---|---|
| Japanese labeling name | ひとえぐさ |
| Common Japanese notations | ひとえぐさ, 一重草, ヒトエグサ |
| Origin | Monostroma nitidum; principal modern production region Mie Ise-shima; one of the species marketed as 'aonori' but distinct quality from sujiao-aonori |
| Typical functions | Premium aosa-no-miso-shiru ingredient, Tsukudani-nori (boiled-down nori paste — a major retail category, with major brand 'Edomae Tsukudani'), Premium aonori positioning |
| Regulatory status in Japan | Standard agricultural product labeling. Mie Ise-shima origin. Not a designated allergen. |
Hitoegusa (ひとえぐさ / 一重草) — Monostroma nitidum — is a premium green laver species, principally produced in Mie Ise-shima. The defining application is tsukudani-nori (boiled-down nori paste — a major Japanese retail category, with established brands like Edomae Tsukudani).
Classification
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Product applications
Functions
Regulatory tags
Origin
Used in (typical product categories)
Finished-product categories that commonly include this ingredient in Japanese-market formulations.
- Dried hitoegusa flakes retail
- Tsukudani-nori retail (volume retail category)
What it is
Monostroma nitidum green laver, distinct from sujiao-aonori (Ulva prolifera).
Production: Mie Ise-shima.
Typical uses in Japanese products
Tsukudani-nori paste — defining retail application.
Aosa-no-miso-shiru ingredient (premium grade).
Aonori-flavored snacks (premium positioning).
For OEM: tsukudani-nori paste production OEM, dried flake retail.
Regulatory classification in Japan
Standard food labeling. Mie Ise-shima origin. Not a designated allergen.
Regulatory classification in other markets
| EU | Niche specialty in Asian cuisine. |
|---|---|
| USA | Niche specialty in Japanese-cuisine channels. |
| China | Niche specialty positioning. |
| Korea | Niche specialty positioning. |
Example products
Example finished products will be added after verification.
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Sharing similar functions
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From the same origin
Other ingredients that share an origin classification.
References
- MEXT Standard Tables of Food Composition — ひとえぐさ 各形態
Last updated: 2026-04-28. Ingredient entries are reviewed at least annually against current regulatory listings.