Journal
MICROBIOLOGICAL RESEARCH
Volume 163, Issue 1, Pages 87-95Publisher
ELSEVIER GMBH, URBAN & FISCHER VERLAG
DOI: 10.1016/j.micres.2007.02.010
Keywords
Rhaponticum acaule; Asteraceae; epi-13 manool; methyl eugenol; antimicrobial activity
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The chemical composition of the volatile fractions obtained by steam distillation from the capitula (C) and the aerial parts of Rhaponticum acaule DC were analysed by GC-MS. From the 57 identified constituents, representing 95.5% and 96.3% of the two oils, respectively, methyl eugenol, epi-13 manool, beta-ionone, beta-bisabolol, 1-octadecanol, phytol and farnesyl. acetate were found to be the main components. Furthermore, the oils were tested against six Gram-positive and Gram-negative bacteria and four phytopathogenic fungi. It was found that oils from both parts of R. acaule, and especially that of C, exhibited interesting antibacterial activity, but no antifungal activity was observed. (c) 2007 Elsevier GmbH. All rights reserved.
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