1. Junior College at Mishima, Nihon University, 2-31-145 Bunkyo Cho, Mishima City, Shizuoka 411-8555, Japan, Research Institute for Food Science, Kyoto University, Uji 611-0011, Kyoto Japan, and College of Bioresource Sciences, Nihon University, Fujisawa 252-0813, Kanagawa, Japan