Journal
BIOCHEMICAL SYSTEMATICS AND ECOLOGY
Volume 34, Issue 11, Pages 796-801Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bse.2006.06.009
Keywords
Eryngium; E. rosulatum; essential oils; beta-elemene; bicyclogermacrene
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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 GUMS. 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 beta-elemene (16.0%) and bicyclogermacrene (12.5%). Other representative compounds were identified as delta-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. (c) 2006 Elsevier Ltd. All rights reserved.
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