Chatan Town Tourism Association

A long-established maker of black koji yeast and healthy fermented foods

Founded in 1956, Ishikawa Tanekouji Co, Ltd. is the only company in Okinawa that manufactures and sells black aspergillus, the special yeast for making awamori. We focus on fermented foods as yeast has been commonly used for a long time for its reputed health benefits We are constantly working to develop products that use black koji yeast.

Original product

Black malt brown rice drink 100ml

A natural citric acid beverage made using 100% domestically grown brown rice, which has a high nutritional value. It maximizes the advantages of the ingredients of black koji yeast and brown rice. It’s ideal for recovering from fatigue and maintaining good health for busy people.

Black malted brown rice gelato

A product created in collaboration with a gelato maker and Ishikawa Seed Kouji Co. A new type of ice cream that contains black kouji yeast, brown rice, and shiqwasa.