Composition and biological activity of essential oils from Lippia origanoides H.B.K

Analyses of the leaf oils from three colletions of Lippia origanoides H.B.K. by GC/MS and 1H- and 13C-NMR showed a similar chemical composition. Carvacrol (33.5-42.9%) was identified as the major component together with gamma-terpinene (8.0-10.5%), thymol (5.1-8.4%), methyl thymol (6.1-8.7%) and p-c...

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Veröffentlicht in:	The Journal of essential oil research 2004-09, Vol.16 (5), p.504-506
Hauptverfasser:	Santos, F.J.B. dos, Lopes, J.A.D, Cito, A.M.G.L, Oliveira, E.H. de, Lima, S.G. de, Reis, F. de A.M
Format:	Artikel
Sprache:	eng
Schlagworte:	aerial parts antibacterial properties antifungal properties antimicrobial activity Candida albicans Candida tropicalis carvacrol chemical composition Escherichia coli essential oil composition essential oils Lippia Lippia origanoides medicinal plants p-cymene phytochemicals plant extracts screening shrubs Staphylococcus aureus traditional medicine Verbenaceae volatile organic compounds γ-terpinene
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Beschreibung
Zusammenfassung:	Analyses of the leaf oils from three colletions of Lippia origanoides H.B.K. by GC/MS and 1H- and 13C-NMR showed a similar chemical composition. Carvacrol (33.5-42.9%) was identified as the major component together with gamma-terpinene (8.0-10.5%), thymol (5.1-8.4%), methyl thymol (6.1-8.7%) and p-cymene (11.9-15.8%). In vitro evaluation of the oils showed significant antimicrobial activity against Escherichia coli, Staphylococus aureus, Staphylococus aureus MRSA, Candida albicans and Candida tropicalis.
ISSN:	1041-2905 2163-8152
DOI:	10.1080/10412905.2004.9698782