期刊
PHYTOTHERAPY RESEARCH
卷 21, 期 3, 页码 231-233出版社
WILEY
DOI: 10.1002/ptr.2051
关键词
Myrtaceae; Eucalyptus robusta; Eucalyptus saligna; essential oils; chemical constituents; antimicrobial activity
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 a-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 gamma-terpinene (43.8%), while during the blossoming alpha-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 (c) 2006 John Wiley & Sons, Ltd.
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