Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/15422
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dc.contributor.authorSmith, Joshuaen
dc.contributor.authorTucker, Daviden
dc.contributor.authorWatson, Kennethen
dc.contributor.authorJones, Graham Len
local.source.editorEditor(s): Luc Pietersen
dc.date.accessioned2014-08-06T16:29:00Z
dc.date.issued2008en
dc.identifier.citationPlanta Medica, 74(PH48), p. 48-48en
dc.identifier.issn0032-0943en
dc.identifier.issn1439-0221en
dc.identifier.urihttps://hdl.handle.net/1959.11/15422en
dc.description.abstract'Eremophila longifolia' (R. Br.) F. Muell. (Schrophulariaceae) is a shrub endemic to the arid and semi-arid regions of Australia. The plant is used in contemporaneous indigenous traditional medicine and has been cited extensively in medical ethnobotanical literature [1]. This work forms part of an ongoing project investigating variation in essential oil yield and composition from this species. Here we report on the discovery of two novel essential oil chemovarieties, one rich in isomenthone (5-methyl-2-propan-2-ylcyclohexan-1-one), and the other yielding large quantities of the monocyclic heptene ketone karahanaenone (2,2,5,-trimethyl-4-cyclohepten-1-one), Yield and composition was investigated for hydrodistilled leaf essential oils of specimens occurring in semi-arid areas in the state of NSW. Essential oil composition was investigated using a combination of GC/GC-MS. The identity of karahanaenone was established by NMR spectroscopy. Isomenthone type specimens produced essential oils (3.12% -5.65% w/w yield) containing 61.1% -86.7% isomenthone. Karahanaenone type specimens produced essential oils (0.46% -1.90% w/w yield) containing 81.0% -82.2% karahanaenone. This relatively rare natural product and its derivatives are of considerable value to the flavour and fragrance industry and several methods of synthesis from a variety of precursors have been developed [2-5]. Given the potential commercial value of these essential oils as a source of naturally occurring karahanaenone and other compounds, we believe further investigation is warranted into the geographic distribution of these varieties, along with assessment of commercial viability as an agricultural crop for oil production in Australia.en
dc.languageenen
dc.publisherGeorg Thieme Verlagen
dc.relation.ispartofPlanta Medicaen
dc.titleThe Australian desert shrub Eremophila longifolia (R. Br.) F. Muell. (Schrophulariaceae), as a potential source of karahanaenone and other terpenoidsen
dc.typeConference Publicationen
dc.relation.conference56th International Congress and Annual Meeting of the Society for Medicinal Plant Research, Athens, Greece, 3 - 8 August, 2008en
dc.identifier.doi10.1055/s-0028-1084893en
dc.subject.keywordsPlant Biologyen
local.contributor.firstnameJoshuaen
local.contributor.firstnameDaviden
local.contributor.firstnameKennethen
local.contributor.firstnameGraham Len
local.subject.for2008060799 Plant Biology not elsewhere classifieden
local.subject.seo2008929999 Health not elsewhere classifieden
local.profile.schoolAdministrationen
local.profile.schoolSchool of Science and Technologyen
local.profile.emaildavid.tucker@dpi.nsw.gov.auen
local.profile.emailkwatson2@une.edu.auen
local.profile.emailgjones2@une.edu.auen
local.output.categoryE3en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20140804-155625en
local.publisher.placeStuttgart, Germanyen
local.format.startpage48en
local.format.endpage48en
local.identifier.volume74en
local.identifier.issuePH48en
local.contributor.lastnameSmithen
local.contributor.lastnameTuckeren
local.contributor.lastnameWatsonen
local.contributor.lastnameJonesen
dc.identifier.staffune-id:kwatson2en
dc.identifier.staffune-id:gjones2en
local.profile.orcid0000-0002-6435-1542en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:15639en
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleThe Australian desert shrub Eremophila longifolia (R. Br.) F. Muell. (Schrophulariaceae), as a potential source of karahanaenone and other terpenoidsen
local.output.categorydescriptionE3 Extract of Scholarly Conference Publicationen
local.relation.urlhttp://www.mistelsymposium.de/media/2036/ga-newsletter%204.%20mistelsymposium.pdfen
local.conference.details56th International Congress and Annual Meeting of the Society for Medicinal Plant Research, Athens, Greece, 3 - 8 August, 2008en
local.description.statisticsepubsVisitors: 228<br />Views: 237<br />Downloads: 2en
local.search.authorSmith, Joshuaen
local.search.authorTucker, Daviden
local.search.authorWatson, Kennethen
local.search.authorJones, Graham Len
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