1. Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Hokkaido 062-8517, Japan
2. Institute of Health Sciences, Ezaki Glico Co., Ltd., Osaka 555-8502, Japan
3. Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University, Nonoichi, Ishikawa 921-8836, Japan
4. Division of Food Function and Chemistry, Research Institute for Production Development, Kyoto 606-0805, Japan
5. Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8566, Japan