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caryophyllene oxide/thymus
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Volatile oil variability in Thymus serpylloides ssp. gadorensis growing wild in Southeastern Spain.
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Volatile oils from single plants of Thymus serpylloides ssp. gadorensis were collected from Southeastern Spain and studied to check for chemical variability using gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS). Many of the samples showed a phenolic chemotype, while another
Content and composition of the essential oil of Thymus serpyllum L. growing wild in Estonia.
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OBJECTIVE
The aim of this work was to analyze the essential oil content and its composition in the drug (Serpylli herba) of wild thyme (Thymus serpyllum L.) originating from 20 different natural places of growth in Estonia.
METHODS
The quantitative content of essential oil was determined according
An evaluation of the allelopathic potential of selected perennial groundcovers: foliar volatiles of catmint (Nepeta x faassenii) inhibit seedling growth.
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Six perennial groundcovers including Alchemilla mollis, Nepeta x faassenii, Phlox subulata, Sedum acre, Solidago cutleri, and Thymus praecox were investigated for the allelopathic potential of their respective foliar tissues via evaluation of volatile constituents produced by foliage. These
Thyme essential oil as an alternative mechanism: biofungicide-causing sensitivity of Mycosphaerella graminicola.
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OBJECTIVE
To understand the mode of action of thyme essential oil as an alternative biofungicide.
RESULTS
The chemical composition of thyme essential oil isolated by hydrodistillation from the aerial parts of Thymus vulgaris was analyzed. The main constituents of thyme essential oil were thymol
Essential oil polymorphism of wild growing Hungarian thyme (Thymus pannonicus) populations in the Carpathian Basin.
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The volatile oil compositions of Thymus pannonicus All. from nineteen different localities of Hungary were analyzed by GC/MS. The essential oil content of the Hungarian thyme samples varied between very low (0.14 mL/100 g DW) and fairly high (1.9 mL/100 g DW) values. Significant essential oil
Phytochemical analysis of the essential oil of Thymus serpyllum L. growing wild in Estonia.
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Variations in the essential oil composition of Thymus serpyllum L., growing wild in Estonia (33 samples) and in some other countries (Russia, Latvia and Armenia, seven samples) were determined. The oil were obtained from Estonia (46 samples) in yields 0.6-4.4 and 1.9-8.2 mL kg(-1) in other
Antibacterial activity and chemical constitutions of essential oils of Thymus persicus and Thymus eriocalyx from west of Iran.
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The essential oils of Thymus persicus and Thymus eriocalyx were collected in Lorestan province, west of Iran and were examined by GC/MS and bacteriological tests. Twenty seven compounds representing 92.095% of T. persicus and 99.77% of Thymus eriocalyx essential oils were identified. The major
Variation of the chemical composition of essential oils in Tunisian populations of Thymus algeriensis Boiss. et Reut. (Lamiaceae) and implication for conservation.
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The variation of the essential-oil composition among 14 Tunisian natural populations of Thymus algeriensis Boiss. et Reut. (=Thymus hirtus Willd. ssp. algeriensis Boiss. et Reut.) was assessed by GC (RI) and GC/MS. The populations were collected from different geographical regions belonging to the
Nematicidal and Propagation Activities of Thyme Red and White Oil Compounds toward Bursaphelenchus xylophilus (Nematoda: Parasitaphelenchidae).
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The toxic and propagation effects on Bursaphelenchus xylophilus of 28 Thymus vulgaris red oil and white oil compounds were examined using direct contact and cotton ball bioassays. Results were compared with those of the trunk-injection nematicides emmamectin benzoate, levamisol hydrochloride and
The anticonvulsant and anti-plasmid conjugation potential of Thymus vulgaris chemistry: An in vivo murine and in vitro study.
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The high-performance counter-current chromatography was used for the efficient purification of single constituents from Thymus vulgaris essential oil. Mixtures of n-heptane, ethyl acetate, methanol, and water (5:2:5:2 and 4:1:4:1 v/v), allowed purification of eugenol, 1-octen-3- ol, borneol, thymol,
Antibacterial activities of essential oils and extracts of Turkish Achillea, Satureja and Thymus species against plant pathogenic bacteria.
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BACKGROUND
The aims of this study were to examine the chemical composition of the essential oils and hexane extracts of the aerial parts of Satureja spicigera (C. Koch) Boiss., Thymus fallax Fisch. & CA Mey, Achillea biebersteinii Afan, and Achillea millefolium L. by GC and GC-MS, and to test
GC/MS evaluation of thyme (Thymus vulgaris L.) oil composition and variations during the vegetative cycle.
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Capillary GC/MS analysis based on polar and non-polar columns has been applied to evaluation of the volatile oils hydrodistilled from thyme (Thymus vulgaris L.) plants. The adopted methodology has been used to monitor seasonal variations in the composition of the oil obtained from thyme herbs
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