alexa Essential Oil Composition of Five Endemic Hypericum Spe
ISSN: 2167-0412

Medicinal & Aromatic Plants
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Research Article

Essential Oil Composition of Five Endemic Hypericum Species from Turkey

E. Eroğlu Özkan1*, B. Demirci2, Ç. Ünsal Gürer1, Ş. Kültür3, A. Mat1 and K.H.C. Başer4
1Department of Pharmacognosy, Istanbul University, 34112 Beyazit, Istanbul, Turkey
2Department of Pharmacognosy, Anadolu University, 26470 Eskişehir, Turkey
3Department of Pharmaceutical Botany, Istanbul University, 34112 Beyazit, Istanbul, Turkey
4Botany and Microbiology Department, College of Science, King Saud University, 1145 Riyadh, Saudi Arabia
Corresponding Author : E. Eroglu Özkan
Department of Pharmacognosy
Istanbul University
34112 Beyazit, Istanbul, Turkey
E-mail: [email protected]
Received December 04, 2012; Accepted December 24, 2012; Published December 26, 2012
Citation: Özkan EE, Demirci B, Gürer çü, Kültür S, Mat A, et al. (2013) Essential Oil Composition of Five Endemic Hypericum Species from Turkey. Med Aromat Plants 2:121. doi: 10.4172/2167-0412.1000121
Copyright: © 2012 Özkan EE, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


More than 465 Hypericum species exist on the Earth, widely spreading in Europe, Asia and North Africa. 42 of 80 species growing in Turkey are endemic. The chemical composition of the essential oils obtained from the aerial parts of the H. uniglandulosum Hausskn. ex Bornm., H. scabroides Robson & Poulter, H. kotschyanum Boiss., H. salsugineum Robson & Hub.-Mor. and H. thymopsis Boiss, five of the endemic species of Turkey by using the hydrodistillation method was identified by GC and GC/MS. The major components were identified as follows: 2,6-Dimethyl-3,5-heptadien-2-one (40.7%), nonacosane (3.2%), hexadecanoic acid (2.7%) and α-pinene (2.7%) in H. uniglandulosum; hexadecanoic acid (17.7%), spathulenol (5.3%), nonacosane (4.4%), dodecanoic acid (4.1%), baeckeol (4.1%) and γ-muurolene (3.9%) in H. scabroides; α-pinene (14.4%), nonacosane (11.1%), hexadecanoic acid (9.2%), β-pinene (8.7%), spathulenol (6.3%) and limonene (5.1%) in H. kotschyanum; nonacosane (42.7%), hexadecanoic acid (23.2%) and baeckeol (6.1%) in H. salsugineum; α-pinene (44.0%), baeckeol (32.9%), spathulenol (8.0%), limonene (7.6%) and camphene (5.2%) in H. thymopsis. Finally, the results are compared with each other. The differences between the results of the H. thymopsis and H. scabroides obtained in this study and the previous studies show that the chemical composition of the essential oils is different for the same species obtained at different locations. The essential oil composition of these species, except for the H. thymopsis and H. scabroides is identified for the first time

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