1. School of Pharmacy and Pharmaceutical Sciences, Mukogawa Women's University, Nishinomiya, Japan.
2. Kagawa School of Pharmaceutical Sciences, Tokushima Bunri University, Sanuki, Japan.
3. Research and Development Division, Nikken Foods Co. Ltd., Fukuroi City, Japan.
4. Center for Pharma-Food Research (CPFR), Graduate School of Pharmaceutical Sciences, University of Shizuoka, Suruga-ku, Japan.