Sake & brews ── Nihonshu (sake)
Sokujo
Sokujo — a starter mash built on added lactic acid
A starter-mash method that skips waiting on wild lactic bacteria, instead adding pre-made lactic acid directly to the brewing water. Because contaminants are suppressed from the start, it's said to let brewers raise a stable starter in far less time than kimoto or yamahai.
What it's made of
Lactic acid is added at the water-koji stage, together with a pure-cultured yeast. With lactic acid already present, there's little room for contaminants or wild yeast to take hold, and the mash is guided first toward saccharification and then fermentation in a deliberate, calculated way. Compared to the kimoto lineage, the acidity is said to be milder, often giving a cleaner profile with less off-flavor. Most sake sold today is said to be built this way.
How it's made
Where kimoto and yamahai wait for lactic bacteria to build up on their own, sokujo skips that waiting period entirely by adding ready-made lactic acid up front. Building the starter takes roughly two weeks, said to be less than half the time the kimoto lineage requires, and the method is said to be far less at the mercy of weather or the brewery's condition, and said to be manageable even for less experienced brewery workers.
Why it took this shape
The method is said to have been developed to solve a weakness of the kimoto lineage — its sensitivity to brewing season, climate, and the individual brewer's skill — by adding lactic acid artificially instead. It's said to have been established through repeated brewing trials, and the great majority of sake today is said to be built on this sokujo starter, leaving the kimoto lineage a minority technique still kept alive by some breweries.
Before you go
- Enjoying a bussanten (regional products fair)A guide to what's sold at a bussanten (regional products fair), how to find one, when it gets crowded, shelf life and taking food home, and how to fit one around a trip.
- How to use an antenna shopA guide to what's sold at an antenna shop, its restaurant or eat-in counters, its tourist-information role, the cluster of shops around Ginza and Yurakucho, and how to use one before a trip or for last-minute souvenirs.
- Sake brewery tours in Nada GogoNada Gogo, spreading from Kobe to Nishinomiya in Hyogo Prefecture, is said to be one of Japan's leading sake-producing areas. Many breweries here have visitor facilities open for touring.
Dishes in the same style
- Akita no SakeAkita sake, brewed with soft water in deliberate contrast to Nada's hard water, aiming for a mellow, delicate character. Breweries buried in snow are said to gain a natural insulating effect from it, a tradition of slow, low-temperature fermentation built around that climate.
- Daiginjo-shuSake made from rice milled to 50% or less with brewing alcohol added — among the officially defined categories, the deepest level of milling, aimed at a pronounced aroma and light body, born of elaborate brewing techniques honed for tasting competitions.