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Chemical composition and antimicrobial activity of the essential oils from two species of Eucalyptus
Author(s) -
Sartorelli Patrícia,
Marquioreto Alexandre Donizete,
AmaralBaroli Adriana,
Lima Marcos Enoque L.,
Moreno Paulo Roberto H.
Publication year - 2007
Publication title -
phytotherapy research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.019
H-Index - 129
eISSN - 1099-1573
pISSN - 0951-418X
DOI - 10.1002/ptr.2051
Subject(s) - antimicrobial , p cymene , essential oil , monoterpene , eucalyptus , composition (language) , candida albicans , chemistry , eucalyptus oil , chemical composition , botany , food science , myrtaceae , staphylococcus aureus , pinene , biology , bacteria , organic chemistry , genetics , linguistics , philosophy , ruthenium , immunology , catalysis
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.
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