Please use this identifier to cite or link to this item: https://une.intersearch.com.au/unejspui/handle/1959.11/2722
Title: Essential oil composition of the seasonal heterophyllous leaves of 'Eryngium vesiculosum' from Australia
Contributor(s): Copeland, Lachlan (author); Pala-Paul, J (author); Brophy, JJ (author); Goldsack, RJ (author); Perez-Alonso, J (author); Velasco-Negueruela, A (author)
Publication Date: 2003
DOI: 10.1071/BT03030
Handle Link: https://hdl.handle.net/1959.11/2722
Abstract: 'Eryngium vesiculosum' Labill. is seasonally heterophyllous. The essential oils of its aerial parts gathered during summer and winter from New South Wales (Australia) have been examined by analytical gas chromatography and gas chromatography/mass spectrometry. We have found quantitative but not qualitative differences between the two samples. The principal compounds of the winter leaves were identified as ß-caryophyllene (20.3%), germacrene D (19.2%) and α-humulene (8.8%), while the summer leaves (SL) contained bicyclogermacrene (22.2%), ß-caryophyllene (15.6%), germacrene D (15.8%) and α-humulene (8.1%) as major constituents. The amount of bicyclogermacrene changes by a factor of ten, ranging from 2.4% in winter leaves to being the principal compound (22.2%) in summer leaves. The oil of the flowers and fruits contained almost the same composition as the summer leaves. This is the first comparative study on the chemistry of both kinds of leaves of 'E. vesiculosum'.
Publication Type: Journal Article
Source of Publication: Australian Journal of Botany, 51(5), p. 497-501
Publisher: CSIRO Publishing
Place of Publication: Collingwood, Victoria, Australia
ISSN: 0067-1924
Field of Research (FOR): 060199 Biochemistry and Cell Biology not elsewhere classified
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
Other Links: http://nla.gov.au/anbd.bib-an24379926
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