Essential oil chemical diversity of twenty Iranian Origanum vulgare L. subsp. viride populations |
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| Institution: | 1. Institut National de la Recherche Agronomique, CRRA-Rabat, PB 6570, 10101 Rabat, Morocco;2. Laboratoire Chimie Appliquée et Environnement, Faculté des Sciences et Techniques, Université Hassan I, BP 577, 26000 Settat, Morocco;3. Centre d''Ecologie et des Sciences de la Conservation, UMR 7204, Muséum National d''Histoire Naturelle, 75005 Paris, France;4. Service de Systématique Moléculaire, UMS 2700 et Institut de Systématique, Evolution, Biodiversité, UMR 7205, Muséum National d''Histoire Naturelle, 75005 Paris, France;5. Laboratoire Biologie et Santé, Faculté des Sciences, Université Abdelmalek Essaâdi, BP 2121, 93002 Tétouan, Morocco;6. Institute of Soil Science and Plant Cultivation, State Research Institute, Department of Plant Breeding and Biotechnology, Czartoryskich 8, 24-100 Pulawy, Poland;7. Université de Corse-CNRS, UMR 6134 SPE, Equipe Chimie et Biomasse, Route des Sanguinaires, 20000 Ajaccio, France |
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| Abstract: | Origanum vulgare L. belonging to the Lamiaceae family, commonly known as oregano, is one of the most traded and consumed medicinal plants worldwide. It is a rich natural source of specialized metabolites including essential oils. The present study is the first comprehensive account of the essential oil profile of wild O. vulgare subsp. viride plants in Iran. Twenty native populations from four provinces of northern Iran were investigated for the content and composition of essential oils. Essential oil contents were found to vary from 0.1 to 0.5% (v/w) based on dry weight. Analysis of these oils by GC-FID and GC-MS resulted in a total of forty-nine constituents, representing 96.2–99.7% of the total compositions. The subsequent classification of the studied populations by multivariate statistical procedures characterized four chemotypes: i) γ-terpinene/p-cymene; ii) linalool/α-phellandrene; iii) sabinene; and iv) carvacrol/trans-caryophyllene. These data may be useful in the future selection of populations comprising specific chemical characteristics for industrial purposes, and furthermore contribute beneficial information for developing conservation strategies, domestication and breeding programs of Iranian O. vulgare subsp. viride germplasm. |
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| Keywords: | Essential oil Biodiversity Multivariate statistical analyses Chemotypes |
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