1. Department of Veterinary Sciences, University of Iwate, 3-18-8, Ueda, Morioka, Iwate 020-8550, Japan
2. Department of Animal Nursing Science, Yamazaki Gakuen University, 4-7-2 Minami Osawa, Hachioji, Tokyo 192-0364, Japan
3. Department of Food and Life Science, Azabu University, 1-17-71 Fuchinobe, Chuo, Sagamihara, Kanagawa 252-5201, Japan
4. Graduate School of Life and Environmental Sciences, Azabu University, 1-17-71 Fuchinobe, Chuo, Sagamihara, Kanagawa 252-5201, Japan
5. Division of Biomedical Food Research, National Institute of Health Sciences, 1-18-1 Kamiyoga, Setagaya-ku, Tokyo 158-8501, Japan