1. Natural Products Research Laboratory, School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
2. School of Cosmetic Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
3. Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
4. School of Science, University of Phayao, Phayao 56000, Thailand