1. National Food Research Institute, Kannondai 2-1-12, Tsukuba, Ibaraki 305-8642, Japan, Nagoya Municipal Industrial Research Institute, 3-4-41 Rokuban, Atsuta-ku, Nagoya, Aichi 456-0058, Japan, and Faculty of Engineering, Shizuoka University, 3-5-1 Johoku, Hamamatsu, Shizuoka 432-8561, Japan