1. Fukuoka Industrial Technology Center, Biotechnology and Food Research Institute, 1465-5 Aikawa, Kurume 839-0861 Japan, Department of Chemical Processes and Environments, the University of Kitakyushu, 1-1 Hibikino Wakamatsu Kitakyushu 808-0135 Japan, and Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, 6-10-1 Hakozaki, Fukuoka 812-8581 Japan