1. Department of Biotechnology, National Formosa University, Yunlin 632, Taiwan, Republic
of China
2. Department of
Chemistry, National Cheng Kung University, Tainan 701, Taiwan,
Republic of China
3. Graduate
Institute of Natural
Products, Chang Gung University, Taoyuan
333, Taiwan, Republic of China
4. Chinese Herbal Medicine Research
Team, Healthy Aging Research Center, Chang Gung University, Taoyuan 333, Taiwan, Republic of China
5. Department of Chemistry, Vinh University, Vinh City, Vietnam