Food · Fermented seasonings

Red Rice Miso (Kome Miso, Akairo Karamiso)

米みそ赤色辛みそ (Kome miso akairo karamiso)

Also known as: Aka Miso (Rice), Sendai Miso, Tsugaru Miso

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At a glance

Category	Food
Japanese labeling name	赤色辛みそ
Common Japanese notations	米みそ赤色辛みそ, 赤みそ, 仙台みそ, 津軽みそ
Origin	Fermented (rice koji + soybeans + salt; long fermentation under warmer conditions)
Typical functions	Robust miso soup base, Aged miso for stews and dengaku, Stronger umami seasoning component
Regulatory status in Japan	Standardized under the JAS standard for miso. Tōhoku-region red rice misos (especially Sendai-miso) are the principal category; Hokkaido and parts of Hokuriku also produce red rice miso.

Kome-miso akairo karamiso (米みそ赤色辛みそ) — red salty rice miso — is the deeper-colored, longer-aged counterpart to the standard light-color salty rice miso. The longer, warmer fermentation (often 12–18 months) develops stronger Maillard color and a more robust umami profile. Sendai-miso (仙台みそ), produced in Miyagi and surrounding Tōhoku prefectures, is the canonical example. Red rice miso is the dominant style in northern Japan and is distinct from the soybean-only 豆みそ (mame miso) family represented by hatcho miso.

Classification

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Product applications

Functions

Flavoring

Regulatory tags

Culinary ingredient

Origin

Used in (typical product categories)

Finished-product categories that commonly include this ingredient in Japanese-market formulations.

Sendai-miso and other red-miso retail SKUs
Dengaku-miso, ishikari-nabe seasoning
Specialty regional miso (Tōhoku, Hokkaido)

What it is

Red rice miso is brewed from steamed soybeans, rice koji, and salt — the same raw materials as light-color salty rice miso, but fermented for longer at warmer temperatures. The extended Maillard reaction develops the characteristic deep red-brown color and a stronger amino-acid, slightly bitter umami profile.

Sendai-miso (Miyagi Prefecture) is the canonical regional example. Tsugaru-miso (Aomori), Tsugaru-Sendai-style misos across Tōhoku, and Hokkaido red rice misos all fall within this JAS sub-category. Many regional artisan producers continue traditional 1–2 year fermentation in wooden barrels.

Red rice miso should not be confused with mame miso (hatcho miso family) — both are dark-colored, but mame miso uses no rice and ferments much longer (2–3 years). Red rice miso uses standard rice koji and standard 12–18 month fermentation.

Typical uses in Japanese products

Red rice miso is the preferred miso soup base in Tōhoku and Hokkaido cuisine. The robust character pairs well with strong-flavored ingredients such as fatty fish, root vegetables, and game meat.

Specialty applications include ishikari-nabe (Hokkaido salmon hot pot), dengaku-miso (sweetened miso glaze for grilled tofu and vegetables), and various stewed and braised dishes (motsuni, kakuni). The deeper umami stands up to long simmering.

For OEM, red rice miso is the principal base for hot-pot soup bases targeting northern-Japanese flavor profiles, premium dengaku-miso products, and specialty Tōhoku-regional retail SKUs.

Regulatory classification in Japan

Red rice miso is JAS-categorized as kome-miso, akairo, karami (rice miso, red color, salty) under the JAS standard for miso.

Sendai-miso, Tsugaru-miso, and other regional names are traditional designations that fall within this JAS sub-category. Some regional designations have additional GI or producer-association rules.

Allergens: soy must be declared. Wheat is not used in standard kome-miso production.

Regulatory classification in other markets

EU	Imported as fermented soybean paste. Sold under 'red miso' or specific regional names in EU retail. Allergen labeling for soy required.
USA	Imported under FDA standard food procedures. Sold as 'red miso' or 'aka miso' in US retail.
China	Imported under GACC rules for fermented condiments.
Korea	Imported as fermented soybean paste; distinct from Korean doenjang despite similar color.

Example products

Example finished products will be added after verification of producer's regional designation (Sendai-miso, etc.) and aging period.

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.

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FAQ for OEM buyers

Q. How is red rice miso different from hatcho miso (mame miso)?

Both are dark-colored, but they're distinct categories. Red rice miso (akairo karamiso) is brewed from rice koji + soybeans + salt with 12–18 month fermentation. Hatcho miso belongs to the mame-miso (豆みそ) JAS category, which uses no rice — only soybean koji + salt — and is fermented 2–3 years. Mame miso is darker, denser, and richer in umami than red rice miso.

Sources · Last reviewed: 2026-04-28

JAS standard for miso — kome vs. mame distinction

Q. Why does Tōhoku cuisine favor red miso over white?

Tōhoku (northern Honshu) historically had longer, harder winters that favored higher-salt food preservation. The salty, long-aged red rice miso style suited regional preservation needs and produced a robust flavor that paired well with the region's fatty fish, root vegetables, and game meat. Sendai-miso is the most established regional example.