1. National Research Institute of Brewing, 3-7-1 Kagamiyama, Higashihiroshima 739-0046
2. Research Institute, Gekkeikan Sake Co. Ltd., 24 Shimotoba-koyanagi-cho, Fushimi-ku, Kyoto 612-836
3. Graduate School of Biological Sciences, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan