1. a Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences , Prince of Songkla University , Songkhla , 90112 , Thailand
2. b Institute of Natural Medicine, Toyama Medical and Pharmaceutical University , 2630, Sugitani, Toyama , 930-0194 , Japan
3. c National Research Institute of Police Science , 6, Sanban-cho, Chiyoda-ku, Tokyo , 102 , Japan