A rare Japanese rice vinegar aged three years in wooden barrels by a 150-year-old Gifu brewery, made in such limited quantity that it rarely leaves Japan.
In a mountain village in Gifu Prefecture, a single brewery has fermented rice vinegar since 1876 — polishing its own rice, cultivating its own koji, and brewing its own sake before any of it becomes vinegar. Every stage happens under one roof, a rare level of vertical integration that few vinegar producers still maintain.
This bottling is aged for a minimum of three years inside wooden barrels, far longer than the brewery's standard rice vinegars, which typically finish in a matter of months. The ingredients are rice and rice koji, nothing else. Barrel aging rounds off the acidity and deepens the color into a warm amber that its younger vinegars never reach.
It is not part of the brewery's regular catalog. Production is small enough that most of it stays within Japan. The small quantity exported is allocated only to those who request it directly.
Ayako changed trains several times to reach the brewery, tucked deep in the mountains of Gifu. What stayed with her wasn't the journey — it was the discipline behind the brewery's quality control, and the clarity it gives the finished vinegar. The brewery told her this rare, tightly held vinegar was hers to carry because The House of Umami was the one asking.
The acidity is rounder than that of a fresh rice vinegar, and the color is pale gold rather than clear. Use it anywhere you'd want a rice vinegar's clean profile, but with more depth behind it.
No additives. Contains no declared allergens.
