1. Food Research and Development Laboratories, Meiji Seika Kaisha, Ltd., 5-3-1 Chiyoda, Sakado-shi, Saitama 350-0289, Japan, Bio Science Laboratories, Meiji Seika Kaisha, Ltd., 5-3-1 Chiyoda, Sakado-shi, Saitama 350-0289, Japan, and Laboratory of Food and Biodynamics, Nagoya University Graduate School of Bioagricultural Sciences, Chikusa, Nagoya 464-8601, Japan