Chemical composition and antimicrobial activity of the essential oils from two species of Eucalyptus

The leaf‐essential oil from Eucalyptus robusta and E. saligna, the latter in two phenologic stages, were analysed by gas chromatography coupled to mass spectrometry (GC‐MS). The major constituent in E. robusta oil was the monoterpene α‐pinene (73.0% of the total amount). The oil composition of the E...

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Bibliographic Details
Published in:Phytotherapy research 2007-03, Vol.21 (3), p.231-233
Main Authors: Sartorelli, Patrícia, Marquioreto, Alexandre Donizete, Amaral-Baroli, Adriana, Lima, Marcos Enoque L., Moreno, Paulo Roberto H.
Format: Article
Language:English
Subjects:
Anti-Infective Agents - administration & dosage
Anti-Infective Agents - chemistry
Anti-Infective Agents - pharmacology
Anti-Infective Agents - therapeutic use
antimicrobial activity
Biological and medical sciences
Candida albicans - drug effects
chemical constituents
Chromatography, Gas
Escherichia coli - drug effects
essential oils
Eucalyptus
Eucalyptus robusta
Eucalyptus saligna
General pharmacology
Humans
Mass Spectrometry
Medical sciences
Microbial Sensitivity Tests
Myrtaceae
Pharmacognosy. Homeopathy. Health food
Pharmacology. Drug treatments
Phytotherapy
Plant Leaves
Plant Oils - administration & dosage
Plant Oils - chemistry
Plant Oils - pharmacology
Plant Oils - therapeutic use
Staphylococcus aureus - drug effects
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Summary:The leaf‐essential oil from Eucalyptus robusta and E. saligna, the latter in two phenologic stages, were analysed by gas chromatography coupled to mass spectrometry (GC‐MS). The major constituent in E. robusta oil was the monoterpene α‐pinene (73.0% of the total amount). The oil composition of the E. saligna was dependent of the phenologic stage. In the vegetative phase, the major constituents were p‐cymene (54.2%) and γ‐terpinene (43.8%), while during the blossoming α‐pinene became the major constituent followed by p‐cymene (22.5%). Additionally, the antimicrobial activity for all three oils was evaluated against Staphylococcus aureus, Escherichia coli and Candida albicans. The E. robusta oil presented the highest growth inhibition for all the microorganisms tested. Copyright © 2006 John Wiley & Sons, Ltd.
ISSN:0951-418X
1099-1573
DOI:10.1002/ptr.2051