Food · Fermented foods
Suizenji-nori (Aphanothece Sacrum / Kumamoto Specialty)
すいぜんじのり (Suizenji-nori)
Also known as: Suizenji-nori, Aphanothece sacrum, 水前寺海苔, Asakusa-nori (historical name)
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| Category | Food |
|---|---|
| Japanese labeling name | すいぜんじのり |
| Common Japanese notations | すいぜんじのり, 水前寺海苔, スイゼンジノリ |
| Origin | Aphanothece sacrum; freshwater cyanobacterium endemic to Kumamoto Suizenji and Fukuoka Asakura Akizuki; protected indigenous species; ultra-limited production |
| Typical functions | Ultra-premium kaiseki signature — prestige Kumamoto regional specialty, Sakuramoto-derived unique polysaccharide functional positioning |
| Regulatory status in Japan | Standard agricultural product labeling. Endemic species protected. Ultra-limited supply. Not a designated allergen. |
Suizenji-nori (すいぜんじのり / 水前寺海苔) — Aphanothece sacrum — is an ultra-rare freshwater cyanobacterium endemic to Kumamoto Suizenji and Fukuoka Asakura Akizuki areas. The OEM positioning is exclusively ultra-premium kaiseki specialty. Production is extremely limited.
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.
- Dried suizenji-nori retail (extremely limited specialty)
What it is
Aphanothece sacrum freshwater cyanobacterium, endemic Japanese species.
Typical uses in Japanese products
Ultra-premium kaiseki specialty.
For OEM: very limited specialty supply for high-end ryotei.
Regulatory classification in Japan
Standard food labeling. Endemic species protection. Not a designated allergen.
Regulatory classification in other markets
| EU | Not commonly traded. |
|---|---|
| USA | Not commonly traded. |
| China | Not commonly traded. |
| Korea | Not commonly traded. |
Example products
Example finished products will be added after verification of regional origin.
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From the same origin
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References
- MEXT Standard Tables of Food Composition — すいぜんじのり
Last updated: 2026-04-28. Ingredient entries are reviewed at least annually against current regulatory listings.