year 11, Issue 42 And S9 (supplement 9 2012)                   J. Med. Plants 2012, 11(42 And S9): 23-31 | Back to browse issues page

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Morshedloo M, Ebadi A, Fatahi Moghaddam M, Yazdani D. Evaluation of Essential Oil Composition in Three Species of Hypericum from Iran. J. Med. Plants 2012; 11 (42) :23-31
1- Department of Horticulture, Faculty of Agricultural Science and Engineering, University of Tehran, Karaj
2- Department of Horticulture, Faculty of Agricultural Science and Engineering, University of Tehran
3- Institute of Medicinal Plants, ACECR, Karaj, Iran, P.O.Box: 31375/1369, Tel: +98 – 26 – 34764010 - 19, Fax: +98 – 26 - 34764021 ,
Abstract:   (23209 Views)

Background: Essential oils contain a large variety of volatile secondary metabolites such as terpenes, terpenoides, phenolic and aliphatic derivative. Nowadays, These compounds extensively used in Pharmaceutical , sanitary and cosmetic industries. Antimicrobial activity of these oils and their components such as α-pinene and β-pinene, the main essential oil constituent of some Hypericum spp., have been reported.

Objective: This study was conducted to identify the constituents of essential oil in three Hypericum species in Iran to compare differences among their major volatile constituents.

 Methods: Essential oils were extracted by hydro-distillation of fresh plant materials using Clevenger apparatus. The essential oils were analyzed by both gas chromatography (GC) and gas chromatography −mass spectrometry (GC-MS).

Results: Monoterpens were found as the major constituent of essential oil in H. perforatum L. and H. patulum Thunb . However, n-alkans were the major constituent of the oil in H. tetrapterum Frise . In this study, α-Pinene (21.88%) was found to be the most abundant compound in the H. perforatum whilst β- Pinene (30.20%) and n-undecane (30.84%) were the main constituents of H. patulum and H. tetrapterum essential oils respectively.

Conclusion: In this study, we found that the different plant species made a remarkable difference in the essential oil constituents. In this study the most component of essential oils of H. perforatum and H. patulum were α-Pinene and β-Pinene respectively and this component can be make them promising for treatment of infectious diseases such as infectious endocarditis.
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Type of Study: Research | Subject: Pharmacognosy & Pharmaceutics
Received: 2012/05/5 | Accepted: 2012/09/9 | Published: 2012/09/20

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