1. Department of Pharmaceutical Botany, Faculty of PharmacyMahidol University Bangkok Thailand
2. Faculty of Pharmaceutical SciencesKhon Kaen University Khon Kaen Thailand
3. Research Group for Pharmaceutical Activities of Natural Products using Pharmaceutical Biotechnology (PANPB)National Research University Khon Kaen University Khon Kaen Thailand
4. Department of Pharmacognosy, Faculty of PharmacyMahidol University Bangkok Thailand
5. School of PharmacyWalailak University Nakhon Si Thammarat Thailand
6. Department of Pharmacognosy, Graduate School of Pharmaceutical SciencesKyushu University Fukuoka Japan