1. Laboratory of Biological Macromolecules, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
2. Faculty of Nutritional Sciences, the University of Morioka, 808 Sunakomi, Takizawa, Iwate 020-0694, Japan
3. Qualtec Co. Ltd., 4-230 Sambo-cho, Sakai, Osaka 590-0906, Japan
4. Department of Nutrition, Kyushu Nutrition Welfare University, 5-1-1 Shimoitozu, Kitakyushu Kokurakita-ku, Fukuoka 803-0846, Japan
5. Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, 2-1-1-1 Midorigaoka-Higashi, Asahikawa, Hokkaido 078-8510, Japan
6. Japanese Red Cross Hokkaido Blood Center, 2-1 Nijuyonken, Nishi-ku, Sapporo, Hokkaido 063-0802, Japan
7. Hokkaido System Science Co., Ltd., 2-1 Shinkawa Nishi, Kita-ku, Sapporo, Hokkaido 001-0932, Japan
8. Department of Chemistry and Biological Sciences, Faculty of Science and Engineering, Iwate University, 4-3-5 Ueda, Morioka, Iwate 020-8551, Japan