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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Eucalyptus oleosa essential oils: Chemical composition and antimicrobial and antioxidant activities of the oils from different plant parts (stems, leaves, flowers and fruits)
Molecules, Volume 16, No. 2, Year 2011
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Description
Essential oils obtained by hydrodistillation from the different parts (stems, adult leaves, immature flowers and fruits) of Eucalyptus oleosa were screened for their antioxidant and antimicrobial properties and their chemical composition. According to GCFID and GC-MS, the principal compound of the stem, immature flowers and the fruit oils was 1,8-cineole, representing 31.5%, 47.0% and 29.1%, respectively. Spathulenol (16.1%) and γ-eudesmol (15.0%) were the two principal compounds of adult leaves oil. In the DPPH (1,1-diphenyl-2-picrylhydrazyl) assay, the oils of the four parts showed moderate antioxidant activity. In the ABTS (2,2'-azinobis-3- ethylbenzothiazoline-6-sulphonate) assay, the most active part was the adult leaves, with a IC50 value 13.0 ± 0.6 mg/L, followed by stems (IC50 = 43.5 ± 1.4 mg/L). The essential oils showed a better antibacterial activity against Gram-positive and Gram-negative bacteria, and a significant antifungal activity also was observed against yeast-like fungi. A strong correlations between oxygenated monoterpenes and antimicrobial activity (especially 1,8-cineole) were noted (R2 = 0.99, 0.97 and 0.79 for B. subtilis, P. aeruginosa and C. albicans, respectively). © 2011.
Authors & Co-Authors
Marzoug, Hajer Naceur Ben
Tunisia, La Marsa
University of Carthage, Institut Préparatoire Aux Études Scientifiques et Techniques
Tunisia, Gabes
Ecole Nationale D'ingénieurs de Gabes
Romdhane, Mehrez
Tunisia, Gabes
Ecole Nationale D'ingénieurs de Gabes
Lebrihi, Ahmed
France, Toulouse
Université Fédérale Toulouse Midi-pyrénées
Lebrihi, Florence
France, Toulouse
Université Fédérale Toulouse Midi-pyrénées
Couderc, François
France, Toulouse
Université Fédérale Toulouse Midi-pyrénées
Abderrabba, M. A.
Tunisia, La Marsa
University of Carthage, Institut Préparatoire Aux Études Scientifiques et Techniques
Abderraba, Mohamed Larbi
Tunisia, Ariana
University of Carthage, Institut National de Recherches en Génie Rural Eaux et Forêts
Bouajila, Jalloul
France, Toulouse
Université Fédérale Toulouse Midi-pyrénées
Statistics
Citations: 169
Authors: 8
Affiliations: 4
Identifiers
Doi:
10.3390/molecules16021695
e-ISSN:
14203049