1. Faculty of Food and Agricultural Sciences, Fukushima University, 1 Kanayagawa, Fukushima 960-1296, Japan
2. Department of Food Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan
3. Tsukishima Foods Industry Co., Ltd., 3-17-9 Higashi Kasai, Edogawa-ku, Tokyo 134-8520, Japan