1. Department of Chemistry and Center of Excellence for Innovation in Chemistry Faculty of Science, Chiang Mai University, Chiang Mai, Thailand;
2. The Graduate School, Chiang Mai University, Chiang Mai, Thailand;
3. School of Science, Mae Fah Luang University, Chiang Rai, Thailand;
4. Medical Molecular Biology Research Unit, National Center for Genetic Engineering and Biotechnology, National Science and Technology Development Agency, Pathumthani, Thailand;
5. School of Chemistry, University of Wollongong, Wollongong, New South Wales, Australia;
6. Research Center on Chemistry for Development of Health Promoting Products from Northern Resources, Chiang Mai University, Chiang Mai, Thailand