Sake Grade Explorer

Compare all eight tokutei meisho-shu grades side by side. View polishing ratio requirements, alcohol addition rules, flavor profiles, typical price ranges, and recommended serving temperatures for each grade. Filter by your preferences to find your ideal sake style.

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How to Use

1
Select a grade to explore
Choose one of the eight tokutei meisho-shu (特定名称酒) grades from the menu, ranging from Junmai to Daiginjo, to see its legal definition and characteristics.
2
Compare polishing ratios and ingredients
Review the seimai-buai requirement, permitted ingredients, and flavor profile for your selected grade side by side with adjacent grades.
3
Match grade to your occasion
Use the occasion and flavor guidance to choose a grade suited to your meal, temperature preference, or gift, then follow the link to explore specific labels.

About

Japan's tokutei meisho-shu system, established under the National Tax Agency's Sake Label Standards, classifies premium sake into eight grades based on two primary criteria: the rice polishing ratio (seimai-buai) and whether the brewer has added distilled jozo alcohol. This framework replaced earlier quality tiers in 1990 and now represents the clearest technical vocabulary for discussing sake quality and style.

The grade hierarchy runs from Junmai (no polishing requirement, rice-only) through Honjozo (≤70% seimai-buai), Ginjo (≤60%), and up to Daiginjo (≤50%), with Junmai variants at each tier that exclude jozo alcohol. Tokubetsu ('special') designations within Junmai and Honjozo categories allow individual breweries to make claims based on superior methods or ingredients, providing a degree of flexibility within the regulatory framework. Each grade carries characteristic flavor implications: Honjozo tends toward clean, slightly dry profiles suitable for warming; Ginjo offers floral and fruity ginjo-ka notes; Daiginjo displays the most refined aromatics and silky texture.

For the consumer, grades serve as a useful starting point but not the final word. Brewing method (Kimoto, Yamahai, or sokujo starter), rice variety, water mineral content, and the toji's stylistic choices all profoundly shape the finished sake. A well-made Junmai from a skilled brewery can surpass a poorly made Daiginjo in complexity and pleasure. The grade explorer is best used alongside data on brewing method and serving temperature to develop a complete picture of what's in the bottle.

FAQ

What are the eight tokutei meisho-shu grades?

Japan's National Tax Agency defines eight premium sake grades: Junmai, Tokubetsu Junmai, Junmai Ginjo, Junmai Daiginjo (all rice-only) and Honjozo, Tokubetsu Honjozo, Ginjo, and Daiginjo (which allow a small addition of distilled alcohol up to 10% of rice weight). Grades are determined primarily by the seimai-buai (polishing ratio) and whether distilled alcohol is added. Daiginjo requires polishing to 50% or below; Ginjo to 60% or below; Honjozo to 70% or below. Tokubetsu designations are awarded when a brewery uses a special production method or highly polished rice beyond the standard for that grade. Understanding these distinctions helps consumers navigate flavor profiles from robust and earthy Junmai to the delicate, aromatic qualities of Daiginjo.

Does higher polishing always mean better sake?

Not necessarily — polishing ratio reflects style and intention rather than absolute quality. Highly polished Daiginjo sake tends toward floral, fruity ginjo-ka aromas due to the removal of outer rice layers rich in proteins, lipids, and minerals. However, many connoisseurs prize robust, umami-forward Junmai styles precisely for the complexity that comes from less-polished rice. Breweries experimenting with Kimoto and Yamahai traditional starter methods often prefer lower-polished rice for its nutrient density, which supports the wild lactic acid bacteria fermentation that creates distinctive lactic and savory depth. The best sake is the one that suits your palate and pairing context, regardless of grade.

What is the difference between Junmai and non-Junmai grades?

Junmai (純米) designates sake made exclusively from rice, water, koji mold (Aspergillus oryzae), and yeast — no additives. Non-Junmai grades like Honjozo and Ginjo permit brewers to add a small quantity of jozo alcohol (brewers' distilled spirit), legally capped at 10% of the rice's weight. This addition is not a cost-cutting measure at premium levels; rather, small amounts of jozo alcohol extract aromatic ginjo esters from the fermenting mash more efficiently than rice alone, producing brighter, cleaner aromas. The result is often a lighter-bodied sake with distinct fruity notes. Junmai sake tends to have richer body and more pronounced rice and umami character, and it often responds well to warming.

How should I read the label on a tokutei meisho-shu bottle?

The grade designation (品種名) must appear on the front label under Japanese National Tax Agency regulations. Look for the kanji indicating grade, seimai-buai percentage (精米歩合), and whether jozo alcohol is listed in the ingredients — its absence confirms Junmai status. Nihonshu-do (日本酒度, Sake Meter Value) and san-do (酸度, acidity) are often printed on the back label or specification sheet; these two numbers together map the sake onto a sweet-dry and light-full body matrix. Many labels also note the rice variety (sakamai), yeast strain, and the toji (master brewer) or brewing region, all of which provide useful flavor cues for the informed buyer.

Are all ginjo-style sakes cold-fermented?

Yes — ginjo fermentation (吟醸造り) is defined by cold, slow fermentation at low temperatures, typically 5–10°C over 30–60 days. This slow process favors the production of isoamyl acetate (banana/pear) and ethyl caproate (apple/anise) esters from yeast metabolism. Breweries use special ginjo yeast strains bred for high ester production at low temperatures; the Brewing Society of Japan's No. 1801 and No. 9 yeasts are historically associated with characteristic ginjo aromas. Shorter, warmer fermentations used for table sake (futsushu) produce less of these volatile esters. The low-temperature cold storage of ginjo sake after pressing is equally critical, as heat degrades these delicate aromatics rapidly.