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Author: search.filters.author.Dahmane, D.Subject: search.filters.subject.Essential oil composition

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    Composition and antimicrobial activity of the essential oil of Thymus fontanesii
    (Pharmaceutical Biology, 2006) Dob, T.; Dahmane, D.; Benabdelkader, T.; Chelghoum, C.
    The yield of oil isolated by hydrodistillation from aerial parts of Thymus fontanesii Boiss. et Reut. (Lamiaceae) growing wild in Djelfa (Algeria) was 0.9%. Analysis of the oil by gas chromatography (GC) and gas chromatography/mass spectrometry (GC/MS) revealed the identification of 47 components accounting for 98.5% of the total oil. The oil was found to be rich in monoterpenes (91.5%) with major constituents being thymol (29.3%), γ-terpinene (21.7%), p-cymene (15.9%), and thymol methyl ether (11.4%), while a smaller amount of linalool (4.8%) and β-caryophyllene (2.9%) were detected. According to the antimicrobial study using the disk diffusion method and the agar dilution assay-minimal inhibitory concentration (MIC), the oil showed strong in vitro growth inhibition activity against Gram-negative bacteria and antifungal activity. The oil exhibited the maximum antifungal activity against Mucor ramaniamus (MIC = 0.2 μL/mL). © 2006 Informa Healthcare