Food · Seasonings

Ponzu Shōyu (Citrus Soy Sauce)

ぽん酢醤油 (Ponzu shōyu)

Also known as: Ponzu Sauce, Citrus Soy Sauce, Ajitsuke Ponzu

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At a glance

Category	Food
Japanese labeling name	ぽん酢しょうゆ
Common Japanese notations	ぽん酢しょうゆ, ポン酢しょうゆ, 味付けポン酢, ぽん酢
Origin	Composite seasoning blending soy sauce, citrus juice (yuzu, sudachi, kabosu, daidai, lemon), vinegar, dashi, and mirin
Typical functions	Dipping sauce for nabe (hotpot), shabu-shabu, gyōza, Dressing for tataki, salad, and grilled fish, Finishing sauce for tofu, mushroom, and seafood dishes
Regulatory status in Japan	Standardized under JAS Standard for ponzu-shōyu (ぽん酢しょうゆの日本農林規格), which sets minimum citrus juice content and labeling requirements. Distinguishes 'ponzu shōyu' (with soy sauce) from 'ponzu' alone (citrus + vinegar without soy).

Ponzu shōyu (ぽん酢醤油) is the citrus-soy composite seasoning that defines Japan's hotpot and shabu-shabu dipping culture. Built from a base of soy sauce, citrus juice (most commonly yuzu, sudachi, kabosu, or daidai), vinegar, dashi, and mirin, it delivers a bright acidity that cuts richness — the perfect counterpoint to fatty hotpot beef, oily fish, or freshly steamed vegetables. The JAS Standard for ponzu-shōyu defines minimum citrus content and ingredient declarations.

Classification

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Product applications

Functions

Flavoring

Regulatory tags

Culinary ingredient

Origin

Common OEM product categories

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

Bottled retail ponzu (every Japanese household)
Foodservice large-pack ponzu
Premium single-citrus ponzu (yuzu / sudachi / kabosu)
Reduced-salt and gluten-free ponzu variants

Ingredient profile

Ponzu shōyu is a composite Japanese seasoning combining soy sauce (usually koikuchi, sometimes usukuchi for premium products), citrus juice, vinegar (usually rice vinegar), dashi (kombu and/or katsuo), and mirin or sugar. The acidity is roughly 50:50 from citrus and vinegar, calibrated to the citrus type and target market.

The citrus drives the regional character. Yuzu ponzu (most premium and aromatic) dominates premium retail. Sudachi ponzu (Tokushima specialty) is sharper and more astringent. Kabosu ponzu (Ōita specialty) is mellower and more aromatic. Daidai ponzu (traditional Kansai) is the historical original. Lemon ponzu and lime ponzu serve modern and export variants.

Industrially, ponzu shōyu is the highest-volume composite seasoning category in Japanese supermarket retail after standard soy sauce. Major formats include 360 ml retail bottles, 1.8 L household-economy bottles, foodservice 18 L cubes, and premium gift-packaged single-citrus SKUs.

OEM applications

Dipping sauce for nabe (hotpot) and shabu-shabu — the canonical use case. Diners dip cooked beef, vegetables, and tofu directly into ponzu, optionally garnished with grated daikon (mizore) and chopped green onion.

Dressing for seared tuna tataki, beef tataki, sashimi salad, and tofu salad. Ponzu's acidity balances the richness of seared protein and tofu's blandness.

Finishing sauce for grilled fish, simmered tofu (yudofu), gyōza dipping, and raw oysters.

For OEM: bottled retail ponzu (volume leader), foodservice ponzu, premium single-citrus gift SKUs, reduced-salt ponzu for health-positioning, gluten-free ponzu (using tamari base) for export, and ponzu-based salad dressings or marinade products.

Regulatory classification in Japan

JAS Standard for ponzu-shōyu sets minimum citrus juice content (varying by grade: standard / premium / specialty), labeling requirements, and definitional boundaries between 'ponzu shōyu', 'ajitsuke ponzu' (味付けポン酢, with seasonings added), and 'ponzu' alone (citrus + vinegar, no soy).

Citrus origin claims (e.g., 'Tokushima sudachi 100%', 'Kōchi yuzu 100%') require verifiable regional sourcing.

Allergens: contains soy and wheat (from soy sauce); both must be declared. Some premium products use tamari-base soy sauce and can be labeled gluten-free.

Regulatory classification in other markets

EU	Imported as fermented soy sauce-based composite seasoning. Allergen labeling for soy and wheat required (gluten declaration). Citrus origin (yuzu) increasingly recognized as a premium category.
USA	Imported under FDA standard food procedures. Strong premium-category presence in Japanese restaurants and gourmet retail. Yuzu ponzu particularly recognized.
China	Imported under GACC rules for composite condiments. Citrus ponzu has growing market presence in premium hotpot and Japanese cuisine retail.
Korea	Imported as Japanese-style citrus soy sauce. Korean cuisine has its own citrus-soy traditions; positioning as authentic Japanese ponzu differentiates premium imports.

Market reference formulations

Example finished products will be added after verification of citrus type and origin (single-citrus vs. blend) and JAS grade designation.

All brand names and product names referenced anywhere on this site are the property of their respective owners. Example entries are provided for informational purposes only and do not imply endorsement.

Related ingredients

Used in similar product applications

Other ingredients commonly used in the same finished-product families.

Sharing similar functions

Ingredients that overlap on functional benefit tags.

From the same origin

Other ingredients that share an origin classification.

FAQ for OEM buyers

Q. What's the difference between 'ponzu' and 'ponzu shōyu'?

'Ponzu' alone refers to a mixture of citrus juice and vinegar without soy sauce — historically a basic kitchen acidulant. 'Ponzu shōyu' (or 'ajitsuke ponzu') refers to the composite seasoning that adds soy sauce, dashi, mirin, and sometimes sugar — the everyday product sold in bottles and used as a dipping sauce. In commercial retail and consumer usage, the term 'ponzu' is loosely used to mean 'ponzu shōyu' since the unflavored citrus-vinegar mix is rarely sold separately. The JAS Standard formally distinguishes them based on soy sauce content and labeling.

Sources · Last reviewed: 2026-04-28

JAS Standard for ponzu-shōyu — definitional boundaries
Japan Soy Sauce Brewers Association ponzu reference

Q. Which citrus is best for premium ponzu OEM?

Yuzu commands the highest premium globally and has the strongest brand recognition in export markets — yuzu ponzu is the standard 'gourmet Japanese' product positioning. Sudachi (Tokushima specialty) and kabosu (Ōita specialty) command regional premiums and appeal to specialty Japanese cuisine markets. Daidai is traditional and historically authentic but less commercially known internationally. For broadest export appeal: yuzu single-citrus ponzu. For specialty Japanese restaurant supply: sudachi or kabosu single-citrus ponzu. Multi-citrus blends (yuzu + sudachi + kabosu) target balanced acidity and aroma at moderate price points.