1. Department of Science and Technology, Faculty of Liberal Arts and Science, Roi Et Rajabhat University, Roi Et, Thailand
2. Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Natural Products Research Unit, Khon Kaen University, Khon Kaen, Thailand
3. Department of Science and Mathematics, Faculty of Industry and Technology, Rajamangala University of Technology Isan, Sakon Nakhon, Thailand