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.
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Classification
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Product applications
Functions
Regulatory tags
Origin
Common OEM product categories
Finished-product categories where Japanese OEM manufacturers commonly formulate with this ingredient.
- Dried suizenji-nori retail (extremely limited specialty)
Ingredient profile
Aphanothece sacrum freshwater cyanobacterium, endemic Japanese species.
OEM applications
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. |
Market reference formulations
Example finished products will be added after verification of regional origin.
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Quick answers
- What is Suizenji-nori (Aphanothece Sacrum / Kumamoto Specialty)?
- 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.
- What is the regulatory status of Suizenji-nori (Aphanothece Sacrum / Kumamoto Specialty) in Japan?
- Standard agricultural product labeling. Endemic species protected. Ultra-limited supply. Not a designated allergen.
- What products typically use Suizenji-nori (Aphanothece Sacrum / Kumamoto Specialty)?
- Dried suizenji-nori retail (extremely limited specialty)
- Where does Suizenji-nori (Aphanothece Sacrum / Kumamoto Specialty) come from?
- Aphanothece sacrum; freshwater cyanobacterium endemic to Kumamoto Suizenji and Fukuoka Asakura Akizuki; protected indigenous species; ultra-limited production
- What is the INCI / JSCI labeling name for Suizenji-nori (Aphanothece Sacrum / Kumamoto Specialty)?
- JSCI: すいぜんじのり
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References
- 文部科学省 (Ministry of Education, Culture, Sports, Science and Technology) 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.