1. Department of Human Life and Development, Nayoro City College, Nayoro, Hokkaido 096-8641, Japan, Department of Applied Biology and Chemistry, Faculty of Applied Bioscience, Tokyo University of Agriculture, Setagaya-ku, Tokyo 156-8502, Japan, Department of Brewing and Fermentation, Junior College of Tokyo University of Agriculture, Setagaya-ku, Tokyo 156-8502, Japan, and School of Food and Nutritional Sciences, University of Shizuoka, Shizuoka 422-8526, Japan