1. Institute of Chinese Pharmaceutical Sciences, College of Pharmacy, China Medical University, 91 Hsueh-Shih Road, Taichung City 404, Taiwan
2. Department of Food Science and Biotechnology, National Chung Hsing University, 250 Kuo-Kuang Road, Taichung 402, Taiwan
3. Department of kampo Pharmaceutical Sciences, Nihon Pharmaceutical University, Japan
4. Graduate Institute of Pharmacognosy, Taipei Medical University, Taipei, Taiwan
5. Institute of Nutrition, China Medical University, Taichung, Taiwan