2007
DOI: 10.1080/12538078.2007.10516056
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Chemical composition and variability of the essential oil ofThymus numidicusPoir. from Algeria

Abstract: Abstract.-In a previous study, Thymus numidicus has showed a high antifungal activity. Here, GC/MS analysis was used for the chemical determination of the essential oil from T. numidicus. Samples were obtained by hydrodistillation from plants gathered in three different places during the biological cycle. Essential oils were high in phenolic monoterpens and in their precursors, and in non-phenolic oxygenated and non-oxygenated monoterpens. The arrangement of several statistical tools has enabled a relation bet… Show more

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Cited by 17 publications
(12 citation statements)
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“…The difference with our results may be due to some abiotic parameters not reported in the study, shown that thymol was the predominant compound in the EOs of plants [15,[18][19][20][21]. According to Nezhadali et al [22], the high content of medicinal plants in thymol means that these plants could be used as flavoring agents in food, medicinal and perfume industries.…”
Section: T Numidicus-b and T Ciliatus Are Very Rich In Thymolcontrasting
confidence: 56%
See 1 more Smart Citation
“…The difference with our results may be due to some abiotic parameters not reported in the study, shown that thymol was the predominant compound in the EOs of plants [15,[18][19][20][21]. According to Nezhadali et al [22], the high content of medicinal plants in thymol means that these plants could be used as flavoring agents in food, medicinal and perfume industries.…”
Section: T Numidicus-b and T Ciliatus Are Very Rich In Thymolcontrasting
confidence: 56%
“…Conversely in a similar study, Amrouni et al [7] reported a slight higher relative percentage (3%) of EOs present in the oils of T. ciliatus collected from another Eastern region not far from Berrahal and Tacha (Djebel El Edough-Annaba). However, Hadef et al [15] found lower percentages of EOs in T. numidicus originated from Lakhdaria, a region in center Algeria. A same relative percentage of EOs present in T. algeriensis (from Algeria) was obtained by Dob et al [13] with 1.13%.…”
Section: Thymus Species Content In Eosmentioning
confidence: 99%
“…The highest amounts of essential oil in Thymus species are accumulated in the flowering stage (Senatore, 1996;Sangwan et al, 2001;Hudaib et al, 2002;Hadef et al, 2007;Verma et al, 2011). In Lithuania T. pulegioides blooms in July, therefore, the meteorological conditions of this month are very important.…”
Section: Variation Of Meteorological Factors In Cultivation Locality mentioning
confidence: 97%
“…Carvacrol chemotype of Thymus piperella shows a positive relationship with the aridity, the thymol chemotype is strongly related to the hydric balance in soil (Boira and Blanquer, 1998). Hadef et al (2007) indicate that increasing of temperature was escorted by a regular decreasing of thymol and carvacrol in Thymus numidus in Algeria (Hadef et al, 2007). The thymol not was detected in our investigated carvacrol chemotype, while the percentage of its isomer carvacrol varied from 16.88% (2013) to 29.29% (2008) during the investigation period (2008)(2009)(2010)(2011)(2012)(2013).…”
Section: Effects Of Meteorological Factors On the Amount Of Carvacrolmentioning
confidence: 99%
“…Six huiles essentielles (Lavandula angustifolia, Lavandula latifolia, Origanum vulgare, Rosmarinus officinalis, Thymus vulgaris chémotype carvacrol, Thymus zygis chémotype thymol) ont été testées sur deux souches : Escherichia coli (bactérie Gram négative) et Staphylcoccus aureus (bactérie Gram positive). Au préalable, les différents échantillons ont été analysés par chromatographie en phase gazeuse couplée à la spectrométrie de masse (CPG-SM), selon le protocole développé précédemment [15,[17][18][19] afin de déterminer la composition chimique exacte. Cette technique est très utilisée dans l'analyse qualitative et quantitative des HE ; la RMN donne également de bons résultats [21,23,28,29].…”
Section: Introductionunclassified