1. College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
2. The Engineering and Technology Center for Chinese Medicine Development of Henan Province, Zhengzhou 450046, China
3. College of Pharmacy, Chonnam National University, Gwangju 500-757 61186, South Korea
4. School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China