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Behind this wall is a rice steamer, and in the back is the koji room. In that room, koji mold is added to rice, and allowed to propagate. This is a very important step in the sake-making process, during which the koji turns rice starch into sugar.
Throughout the sake-brewing process, we handle live cultures of yeast, koji mold, and other microorganisms. So, maintaining hygiene standards is a top priority for our brewery.
If you are interested in seeing this process, you can see a video in our shop.
Tonoike Shuzoten,
333-1 Hanawa, Mashiko-machi, Haga-gun,
Tochigi-ken, Japan 321-4216
Tel: +81 0285-72-0001
Web (Japanese):https://tonoike.jp/
Web (Brand-English): http://sanran-sake.com/
Open: Every day (9AM-5PM)
↑Due to COVID-19, the brewery is not excepting guests until March 1st, 2021