Essential oil composition of Eryngium rosulatum P.W. Michael ined.: A new undescribed species from eastern Australia |
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| Authors: | Jesú s Palá -Paú l,Lachlan M. Copeland,Joseph J. Brophy,Robert J. Goldsack |
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| Affiliation: | 1. Dpto. Biología Vegetal I (Botánica), Facultad de Biología, Universidad Complutense de Madrid, 28040 Madrid, Spain;2. Centre for Ecology, Evolution and Systematics, University of New England, Armidale NSW 2351, Australia;3. School of Chemistry, The University of New South Wales, Sydney NSW 2052, Australia |
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| Abstract: | The essential oil composition from the aerial parts of a new Eryngium species from Australia, Eryngium rosulatum P.W. Michael ined., has been analysed by GC and GC/MS. A total of 34 compounds have been identified representing around 80% of the total oil. The main constituents of the oil were found to be β-elemene (16.0%) and bicyclogermacrene (12.5%). Other representative compounds were identified as δ-elemene (7.0%) and (E)-caryophyllene (5.9%). The sesquiterpene fraction (75.0%) was predominant in the essential oil of this species, most of these were hydrocarbons (53.8%). This paper represents the first study on this new, undescribed Australian species and its chemical composition. |
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| Keywords: | Eryngium E. rosulatum Essential oils β-elemene Bicyclogermacrene |
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