1. Sake Research Center and Product Development Department, Asahi Sake Brewing Co. Ltd., Nagaoka, Niigata, Japan
2. Department of Molecular Biotechnology, Graduate School of Advanced Sciences of Matter, Hiroshima University, Higashi-Hiroshima, Japan
3. National Research Institute of Brewing, Higashi-Hiroshima, Japan
4. Niigata Prefectural Sake Research Institute, Suidocho, Niigata, Japan
5. Sakeology Center, Niigata University, Ikarashi, Niigata, Japan