Essential Oil Composition of Greek (Origanum vulgare ssp. hirtum) and Turkish (O. onites) Oregano: a Tool for Their Distinction

Journal of Essential Oil Research: JEOR, Jul/Aug 2004 by Kokkini, Stella, Karousou, Regina, Hanlidou, Effie, Lanaras, Tom

15. W. Jennings, and T. Shibamoto, Qualitative Analysis of Flavour and Fragrance Volatiles by Glass Capillary Gas Chromatography. Academic Press, New York (1980).

16. H.G. Gauch, Ordiflex. A flexible computer program for four ordination techniques: weighted averages, polar orientation, principal component analysis and reciprocal averaging. Ecology and Systematics, Cornell University, Ithaca, New York (1977).

17. H. Y. Rhyu, Gas Chromatographie characterization of oregano and other spices of the Labiatae family. J. Food Sei. 44, 1373-1378 (1979).

18. A. Fleisherand N. Sneer, Oregano spices and Origanum chemotypes. J. Sei. Food Agrie., 33, 441-446 (1982).

19. U. Ravid and E. Putievsky, Carvacrol and thymol chemotypes of east Mediterranean Labiatae herbs. In: Progress in Essential oil Research. Edit. E.-J.Brunke,pp163-167,WalterdeGruyter&Co, Berlin, New York (1986).

20. JJ.C. Scheffer, A. Looman and A. Baerheim Svendsen, The essential oils of three Origanum species grown in Turkey. In: Progress in Essential oil Research. Edit. E.-J. Brunke, pp 151-156, Walterde Gruyter & Co, Berlin, New York (1986).

21. A. Akgul and A. Bayrak, Constituents of essential oils from Origanum species growing wild in Turkey. Planta Med., 53, 114 (1987).

22. A. Fleisher and Z. Fleisher, Identification of biblical hyssop and origin of the traditional use ofOregano-group herbs in the Mediterranean region. Econ. Bot., 42, 232-241 (1988).

23. D. Vokou, S. Kokkini and J.-M. Bessiere, Origanum onites (Lamiaceae) in Greece: Distribution, volatile oil yield and composition. Econ. Bot.,42, 407-412 (1988).

24. N. Arnold, B. Bellomaria, G. Valentini and HJ. Arnold, Comparative study of the essential oils from three species of Origanum growing wild in the eastern Mediterranean region. J. Essent. oil Res., 5,71-77 (1993).

25. S. Kokkini and D. Vokou, The hybrid Origanum intercedens from the island of Nisyros (SE Greece) and its parental taxa; comparative study of essential oils and distribution. Biochem. Syst. Ecol., 21,392-403 (1993).

26. G. Ruberto, D. Biondi, R. MeIi and M. Piattelli, Volatile flavour components of Sicilian Origanum onites L Flav. Fragr. J., 8, 197-200 (1993).

27. E. Sezik, C. Turnen, N. Kirimer, T. Ozekand K.H.C. Baser, Essentialoil composition of four Origanum vulgare subspecies of Anatolian origin. J. Essent. oil Res., 5, 425-431 (1993).

28. D. Vokou, S. Kokkini and J.-M. Bessiere, Geographic variation of Greek Oregano (Origanum vulgare ssp. hirtum) essential oils. Biochem. Syst. Ecol., 21, 287-295 (1993).

29. K.H.C. Baser, T. Ozek, M. Kurkcuoglu and G. Tumen, The essential oil content of Origanum vulgare ssp. hirtum of Turkish origin. J. Essent. oil Res., 6, 31-36(1994).

30. M. Skoula, P. Gotsiou, G. Naxakis and C.B. Johnson, A chemosystematic investigation on the mono- andsesquiterpenoids in the genus Origanum (Labiatae). Phytochemistry, 52, 649-657 (1999).

31. K. Karamanoli, D. Vokou, U. Menkissoglu and H.-I. Constantinidou, Bacteria/colonization of phyllosphere of Mediterranean aromatic plants. J. Chem. Ecol., 26, 2035-2047 (2000).