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Subject: search.filters.subject.Essential oil composition

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    Characterization of the chemical diversity in essential oils from vegetative and reproductive organs of ammodaucus leucotrichus subsp. leucotrichus coss. & dur. growing in Algeria
    (Taylor & Francis, 2021) Neghliz-Benabdelkader, Hayat; Benabdelkader, Tarek; Halladj, Fatima; Jullien, Frédéric
    Ammodaucus leucotrichus is one of the desert aromatic plants most commonly used in Algerian and Moroccan traditional medicine. The plant is a rich source of bioactive compounds especially essential oils (EOs). In this work, we reported for the first time the characterization of the chemical composition of EOs from vegetative and reproductive organs of this species. Root, stem/leaf, flower and fruit EOs were obtained by Clevenger-hydrodistillation and analyzed by gas chromatography-mass spectrometry (GC-MS). The percentage yield of EOs varied between 0.52 and 3.04 % (w/w, based on dry weight). ATotal of 89 (90.0-97.7 %) components were identified. The EO chemical profiles of plant organs were different from each other exhibited a significant chemo-diversity. (Z)-falcarinol (24.3 %), β-bisabolene (19.6 %) and myristicin (14.0 %) were the major constituents in root oil; methyl eugenol (33.5 %), α-pinene (26.3 %) and muurola-4,10(14)-dien-1-β-ol (10.5 %) in stem/leaf oil; methyl eugenol (24.9 %), β-bisabolene (16.0 %) and geranyl acetate (14.5 %) in flower oil; perillaldehyde (53.7 %) and limonene (25.3 %) in fruit oil
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    Essential oil composition and antibacterial activity of Pteridium aquilinum (L.) Kuhn
    (Springer link, 2020) Bouchekouk, Cheimâa; Kara, Fatima Zohra; Tail, Ghania; Saidi, Fairouz; Benabdelkader, Tarek
    The present work aims to study the chemical composition of Pteridium aquilinum (L.) Kuhn essential oil and its antibacterial activity against three important phytopathogenic Gram-negative bacteria: Erwinia amylovora, Pectobacterium carotovorum subsp. caroto-vorum, and Pseudomonas savastanoi pv. savastanoi
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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