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Chemotypic variations of the essential oils of Mentha taxa collected in the Marmara region of Turkey
The genus Mentha L. (Lamiaceae) is represented by 16 taxa in the Flora of Turkey [1,2]. Eleven taxa belonging to 8 species (including hybrids) have been investigated for essential oils. The oils obtained by hydrodistillation using a Clevenger apparatus were analysed by gas chromatography (GC) and gas chromatography/mass spectrometry (GC/MS). In our ongoing research into compositions of Mentha taxa in Turkey, we had previously reported on the mint oils of Northern Turkey . In this study over 100 oil samples of the following taxa were investigated: M. pulegium, M. aquatica, M. piperita nm. citrata, M. rotundifolia, M. x dumetorum, M. x villosa-nervata, M. spicata var. spicata, M. spicata var. tomentosa, M. longifolia subsp. longifolia, M. longifolia subsp. typhoides. Chemotypic variations are discussed based on the previous and present results.
Acknowledgements: Authors acknowledge the financial support of TUBITAK (Project No. 105S089).
References: 1. Davis, P.H. (1982) Flora of Turkey and the East Aegean Islands. Vol: 7, Edinburgh University Press, Edinburgh.
2. Guner A., Ozhatay N., Ekim T., Baser K.H.C. (2000) Flora of Turkey and the East Aegean Islands Vol: 11, Edinburgh University Press, Edinburgh.
3. Baser, K.H.C. et al. (1999)J. Essent. Oil Res. 11:579–588.