1. Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand;
2. Research Affairs, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand;
3. Research Group for Pharmaceutical Activities of Natural Products using Pharmaceutical Biotechnology, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen, Thailand;
4. Center for Research and Development of Natural Products for Health, Chiang Mai University, Chiang Mai, Thailand