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 Publications :
16. Yibchok-anun, S.; Jittaprasatsin, W.; Sommit, D.; Bunlunara, W.;Adisakwattana. Insulin secreting and Alpha- glucosidase     inhibitory activity of Coscinium fenestratum and postprandial hyperglycemia in normal and diabitec rats   Journal of Medicinal Plants Research   2009, 3, 646-651.

15. Sappapan, R.;Sommit, D.;Ngamrojanavanich, N.;Pengpreecha, S.;Wiyakrutta, S,;Sriubolmas, N.;Pudhom, K. 11-Hydroxymonocerin from the Plant Endophytic Fungus Exserhilum rostratum J.Nat.Prod. 2008, 71, 1657 - 1659.

14. Tungprapa, S.; Puangparn, T.; Weerasombut, M.; Jangchud, I.; Fakum, P.; Semongkhol, S.; Meechaisue, C.; Suppaphol, P.       Electornspun cellolose acetate fibers:effect of solvent system on morphology and fiber diameter Cellulose    2007,       14, 563-575.

13. Tummatorn, J.; Khorphueng, P.; Petsom, A.; Muangsin, N.; Roengsumran, S. Convenient synthetic route to     dehydrorotenoid       via selective intramolecular aldol condensation of 1,2-diaryl diketone Tetrahedron 2007, 63,     11878-11885.

12. Pudhom, K.; Sommit, D.; Suwankitti, N.; Petsom, A. Cassane Furanoditerpenoids from the Seed Kernels of    Caesalpinia    bonduc from Thailand J. Nat. Prod. 2007, 70, 1542-1544.

11. Tungprapa, S. Jangchud, I. Supaphol, P Release characteristics of four model drugs from drug-loaded electrospun      cellulose acetate fiber mats polymer 2007, 48, 5030-5041.

10. Pudhom, K.; Vilaivan, T.; Ngamrojanavanich, N.; Dechangvipart, S.; Sommit, D.; Petsom, A.; Roengsumran, S.      Furanocembranoids from the Stem Bark of Croton oblongifolius J. Nat. Prod. 2007, 70, 659-661.

9. Tungprapa, S., Jangchud, I., Ngamdee, P., Rutnakornpituk, M., Supaphol, P. Ultrafine electospun poly(ethylene glycol)-polydimethylsiloxane - poly(ethyene glycol) triblock copolymer/poly(ethylene oxide)blen fibers materials letters 2006, 60, 2920 - 2924.

8. Khorphueng, P., Tammatorn, J., Petsom, A., Taylor, R. J. K., Roengsumran, S. Total synthesis of 6-deoxyclitoriacetal isolated    from Stemona collinsae Craib. Tetrahedron Letters 2006, 47, 5989 - 5991.

7. Roengsumran, S., Pornpakakul, S., Muangsin, N., Sangvanich, P., Nhujak,T., Singtothong, P., Chaichit, N., Puthong, S.,
    Petsom, A. New Halimane Diterpenoids from Croton oblongifolius Planta Medica 2004, 70, 80.

6. Sommit, D., Petsom, A., Ishikawa, T., Roengsumran, S. Cytotoxic Activity of Natural Labdanes and their         
   Semi-Synthetic Modified Derivatives from Croton oblongifolius
Planta Medica 2003, 69, 167.

5. Roegsumran, S., Jaiboon, N., Chaichit, N., Sommit, D., Pattamadilok, D., Chaichantipyuth, C., Petsom, A. Hydrogen bonding in    labdane diterpenoids, labda-7,12(E),14-triene-17-oic acid and labda-12(z),14,17-triene-18-oic acid Journal of    Chemistry Crystallography  2002, 32, 511.

4. Roengsumran, S., Ngamrojnavanich, N., Jaiboon, N., Tungprapa, S., Chaichit, N., Petsom, A. Crystal Structure of 8 - Chloroandrographolide Triacetate Analytical Sciences 2002, 18, 491 - 492.

3. Roengsumran, S., Singtothong, P., Pudhom, K., Ngamrochanavanich, N., Petsom, A., Chaichantipyuth, C. Neocrotocembranal from    Croton oblongifolius J. Nat. Prod.1999; 62, 1163.

2. Roengsumran, S., Petsom, A., Sommit, D., Vilaivan, T. Labdane diterpenoids from Croton oblongifolius Phytochemistry 1999,    50, 449.

1. Roengsumran, S., Achayindee, S., Petsom, A., Pudhom, K.,Singtothong, P., Surachetapan, C., Vilaivan, T. Two New Cembranoids     from Croton oblongifolius J. Nat. Prod. 1998, 61, 652.