Food · Fermented foods

Sōda-gatsuo (Frigate Tuna)

そうだがつお (Sōda-gatsuo)

Also known as: Sōda-gatsuo, Frigate tuna, Auxis thazard, 宗田鰹

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At a glance

Category	Food
Japanese labeling name	そうだがつお
Common Japanese notations	そうだがつお, 宗田鰹, ソウダガツオ
Origin	Frigate tuna (Auxis thazard / A. rochei); harvested principally in Kochi waters; major raw material for sōda-bushi (a katsuobushi-style dried product) — used for premium soba/udon dashi
Typical functions	Sōda-bushi production — premium soba/udon dashi, Maguro-tataki style preparations
Regulatory status in Japan	Standard food labeling. Fish allergen recommended.

Sōda-gatsuo (そうだがつお / 宗田鰹) is frigate tuna, the raw material for sōda-bushi (a katsuobushi-style dried product) — particularly favored for premium soba/udon dashi. Kochi is the heritage harvest area.

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Classification

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Product applications

Functions

Flavoring486

Regulatory tags

Culinary ingredient512

Origin

Marine-derived163

Common OEM product categories

Finished-product categories where Japanese OEM manufacturers commonly formulate with this ingredient.

Sōda-bushi retail and ingredient supply

Ingredient profile

Auxis thazard frigate tuna.

OEM applications

Sōda-bushi production for premium soba/udon dashi.

For OEM: sōda-bushi production OEM.

Regulatory classification in Japan

Standard food labeling. Fish allergen recommended.

Regulatory classification in other markets

EU	Niche specialty positioning.
USA	Niche specialty positioning.
China	Niche specialty positioning.
Korea	Niche specialty positioning.

Market reference formulations

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Quick answers

What is Sōda-gatsuo (Frigate Tuna)?: Sōda-gatsuo (そうだがつお / 宗田鰹) is frigate tuna, the raw material for sōda-bushi (a katsuobushi-style dried product) — particularly favored for premium soba/udon dashi. Kochi is the heritage harvest area.
What is the regulatory status of Sōda-gatsuo (Frigate Tuna) in Japan?: Standard food labeling. Fish allergen recommended.
What products typically use Sōda-gatsuo (Frigate Tuna)?: Sōda-bushi retail and ingredient supply
Where does Sōda-gatsuo (Frigate Tuna) come from?: Frigate tuna (Auxis thazard / A. rochei); harvested principally in Kochi waters; major raw material for sōda-bushi (a katsuobushi-style dried product) — used for premium soba/udon dashi
What is the INCI / JSCI labeling name for Sōda-gatsuo (Frigate Tuna)?: JSCI: そうだがつお

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MEXT 食品成分DB（検索） ↗

References

文部科学省 (Ministry of Education, Culture, Sports, Science and Technology) Standard Tables of Food Composition — そうだがつお

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