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Education ::
  - Bachelor degree, -, Prince of Songkla University, 2534
  - Master degree, Pharmacognosy, Chulalongkorn University, 2536
  - Doctor of Philosphy, Pharmaceutical Sciences, Toyama Medical and Pharmaceutical University, 2545

Main Fields of Scientific Interests ::
  - Bioactivity: Anti-HIV-1 integrase, anti-HIV-1 protease, anti-inflammatory and anti-allergic activities


Fields of specialist ::
  - Biological activities of natural products :Anti-inflammatory, anti-allergic and anti-HIV-1 integrase activities


Research ::

  Publication ::
  1. Sudsai, T., Wattanapiromsakul, C., and Tewtrakul, S*.  Wound healing propertry of isolated compounds from Boesenberegia kingii rhizomes.  Journal of Ethnopharmacology, 184:  42-48, 2016.
  2. Tewtrakul, S*., Chaniad, P., Wattanapiromsakul, C., and Painwanit, S.  Anti-HIV-1 integrase activity and moleculardocking study of compounds from Caesalpinia sappan L..  Phytotherapy Research., 29(5):  724-729, 2015.
  3. Tewtrakul, S*., Tungcharoen, P., Sudsai, T., Karalai, C., Ponglimanont, C., and Yodsaoue, O. Anti-inflammatory and wound healing effects of compounds from Caesalpinia sappan L.  Phytotherapy Research. , 29 (6):  850-856, 2015.
  4. Sudsai S., Prabphai S., Kongsaeree P., Wattanapiromsakul C., Tewtrakul S. Anti-inflammatory activity of compounds from Boesenbergia longiflora rhizomes.  Journal of Ethnopharmacology, 154:  453-461, 2014.
  5. Yuenyongsawad, s., Bunluepuech, K., Wattanapiromsakul, C., Tewtrakul, S Anti-cancer activity of compounds from Bauhinia strychnifolia stem. .  Journal of Ethnopharmacology, 150:  765-769, 2013.
  6. Yodsaoue O., Sonprasit J., Karalai C., Ponglimanont C., Tewtrakul S., Chantrapromma S.  Diterpenoids and triterpenoids with potential anti-inflammatory activity from the leaves of Aglaia odorata. .  Phytochemistry, 76:  83-91, 2012.
  7. Tewtrakul S, Subhadhirasakul S, Tansakul P, Cheenpracha S, Karalai C.  Anti-inflammatory constituents from Eclipta prostrata using RAW264.7 macrophage cells. .  Phytotherapy Research, 25:  1313-1316., 2011.
  8. Yodsaoue O, Karalai C*., Ponglimanont C, Tewtrakul S, Chantrapromma S.  Potential anti-inflammatory diterpenes from the roots of Caesalpinia mimosoides Lamk..  Phytochemistry , 71:  1756-1764., 2010.
  9. Tewtrakul S., Cheenpracha S., Karalai C.  Nitric oxide inhibitory principles from Derris trifoliata stems. .  Phytomedicine. , 16:  568-572. , 2009.
  10. Sae-wong C., Tansakul P., Tewtrakul S.  Anti-inflammatory mechanism of Kaempferia parviflora in murine macrophage cells (RAW264.7) and in experimental animals.  Journal of Ethnopharmacology. , 124:  576-580., 2009.
  11. Tewtrakul S*., Subhadhirasakul S., and Kummee S.  Anti-allergic activity of compounds from Kaempferia parviflora. .  Journal of Ethnopharmacology, 116:  191-193, 2008.
  12. Tewtrakul S*., Subhadhirasakul S., Cheenpracha S., and Karalai C.  HIV-1 protease and HIV-1 integrase inhibitory substances from Eclipta prostrata..  Phytotherapy Research. ,  21:  1092-1095, 2007.
  13. Tewtrakul S*., and Itharat A.  Nitric oxide inhibitory substances from the rhizomes of Dioscorea membranacea. .  Journal of Ethnopharmacology, 109:  412-416, 2007.
  14. Tewtrakul S*., and Itharat A.  Anti-allergic substances from the rhizomes of Dioscorea membranacea. .  Bioorganic & Medicinal Chemistry,  14:  8707-8711, 2006.
  15. Cheenpracha S., Yodsaoue O., Karalai C., Ponglimanont C., Subhadhirasakul S., Tewtrakul S., and Kanjana-opas A.  Potential anti-allergic ent-kaurene diterpene from the bark of Suregada multiflora. .  Phytochemistry. , 67:  2630-2634, 2006.
  16. Tewtrakul S., Itharat A., and Rattanasuwan P.  Anti-HIV-1 protease and HIV-1 integrase activities of Thai medicinal plants known as Hua-Khao-Yen.  Journal of Ethnopharmacology. , 105:  312-315, 2006.
  17. Cheenpracha S., Karalai C., Ponglimanont C., Subhadhirasakul S., and Tewtrakul S.  Anti-HIV-1 protease activity of compounds from Boesenbergia pandurata. .  Bioorganic & Medicinal Chemistry,  14:  1710-1714, 2006.
  18. Hisashi Matsuda, Supinya Tewtrakul, Toshio Morikawa and Masayuki Yoshikawa Anti-allergic activity of stilbenes from Korean rhubarb (Rheum undulatum) : structure requirements for inhibition of antigen-induced degranulation and thrie effects on the release of TNF-alpha and IL-4 in RBL-2H3 cells.  Bioorganic & Medicinal Chemistry, 12:  4871-4876, 2004.
  19. Hisashi Matsuda, Supinya Tewtrakul, Toshio Morikawa, Akihiko Nakamura and Masayuki Yoshikawa Anti-allergic principles from Thai zedoary : structural requirements of curcuminoids for inhibition of degranulation and effect on the release of TNF-alpha and IL-4 in RBL-2H3 cells.  Bioorganic & Medicinal Chemistry, 12:  5891-5898, 2004.
  20. Tewtrakul S., Miyashiro H., Nakamura N., Hattori M., Kawahata T., Otake T., Yoshinaga T., Fujiwara T., Supavita T., Yuenyongsawad S., Rattanasuwan P., and Sukanya D. HIV-1 integrase inhibitory substances from Coleus parvifolius.  Phytotherapy Research, 17:  232-239, 2003.
  21. Panichayupakaranant P., and Tewtrakul S.  Plumbagin production by root cultures of Plumbago rosea.  Electronic Journal of Biotechnology, 5 (3):  in press, 2002.
  22. Tewtrakul S., Nakamura N., Hattori M., Fujiwara T., and Supavita T. Flavanone and flavonol glycosides from the leaves of Thevetia peruviana and their HIV-1 integrase inhibitory activities.  Chem. Pharm. Bull., 50 (5):  630-635, 2002.
  23. Zhang C F., Nakamura N., Tewtrakul S., Hattori T., Sun Q S., Wang Z T., and Fujiwara T. Sesquiterpenes and alkaloids from Lindera chunii and their inhibitory activities against HIV-1 integrase.  Chem. Pharm. Bull., 50 (9):  1195-1200, 2002.
  24. Akanitapichat P., Kurokawa M., Tewtrakul S., Pramyothin P., Sripanidkulchai B., Shiraki K., and Hattori M. Inhibitory activities of Thai medicinal plants against herpes simplex type 1, poliovirus type 1 and measles virus.  Journal of Traditional Medicines, 19:  174-180, 2002.
  25. Tewtrakul S., Nakamura N., Hattori M., Fujiwara T., and Supavita T. Flavanone and flavonol glycosides from the leaves of Thevetia peruviana and their HIV-1 integrase inhibitory activities.  Chem. Pharm. Bull., 50 (5):  630-635, 2002.
  26. Tewtrakul S., Miyashiro H., Hattori M., Yoshinaga T., Fujiwara T., Tomimori T., Kizu H., Miyaichi Y. Inhibitory effects of flavonoids on human immunodeficiency virus type-1 integrase.  J. Trad. Med., 18:  229-238, 2001.
  27. Tewtrakul S., Hase K., Kadota S., Namba T., Katsuko K., and Tanaka K. Fruit Oil Composition of Piper chaba Hunt., P. longum L. and P. nigrum L..  J. Essential Oil Res., 12:  603-608, 2000.
  28. Tewtrakul S., Itchayapruk J., and Chaitongruk P. Mosquito larvicidal activity of Zingiber zerumbet Smith rhizomes.  Songklanakarin J. Sci. Technol., 20 (2):  183-187, 1998.
  29. Tewtrakul S. Eesential oil constituents of Piper chaba fruits.  Songklanakarin J. Sci. Technol., 20 (3):  367-371, 1998.
  30. Tewtrakul S. Antioxidant activity of selected Piper species.  Songklanakarin J. Sci. Technol., 20 (2):  177-181, 1998.
  31. Tewtrakul S., Sardsaengjun C., Ichayapruk J., and Chaitongruk P. Studies on volatile oil components in Zingiber zerumbet Smith..  Songklanakarin J. Sci. Technol., 19 (2):  197-202, 1997.
  32. Tewtrakul S., De-Eknamkul W., and Ruangrungsri N. Simultaneous determination of Individual curcuminoids in turmeric by TLC-densitometric method.  Thai J. Pharm. Sci., 16 (3):  251-259, 1992.