1. Beer Development Department, Suntory Liquors Ltd., Reseach Center, 1-1-1 Wakayamadai,
Shimamoto-cho, Mishima-gun, Osaka 618-8503, Japan
2. Separation Science Division, LECO Japan Corporation, 13-4 2-Chome, Shiba, Minato-ku,
Tokyo 105-0014, Japan
3. Suntory Foundation for Life Sciences, Bioorganic Research Institute, 1-1-1
Wakayamadai, Shimamoto-cho, Mishima-gun, Osaka 618-8503, Japan