Affiliation: | a Institute for Production Research and Development, The Nikka Whisky Distilling Co. Ltd., 967 Matsuyama, Masuo, Kashiwa, Chiba 277-0033, Japan b Tsukuba Research Laboratories, Kyowa Hakko Kogyo Co. Ltd., 2, Miyukigaoka, Tsukuba, Ibaraki 305-0841, Japan c Development Department, Bio-chemicals Company, Kyowa Hakko Kogyo Co. Ltd., 1-6-1, Ohtemachi, chiyoda, Tokyo 100-8185, Japan |