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8 Výsledek
Evidence for an NIH shift as the origin of the apparently anomalous distribution of deuterium in estragole from Artemisia dracunculus.
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Přihlášení Registrace
Feeding experiments of [2-(2)H]- and [4'-(2)H]phenylalanine in Artemisia dracunculus validate the hypothesis that the marked difference in deuterium content at the natural abundance level between the aromatic carbons of estragole (1) is due to an NIH shift during the hydroxylation of the benzene
Estragole and methyl-eugenol-free extract of Artemisia dracunculus possesses immunomodulatory effects.
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Přihlášení Registrace
OBJECTIVE
Some evidence suggests that chronic uptake of estragole and methyl-eugenol, found in the essential oil of Artemisia dracunculus (tarragon), may be associated with an increased risk of hepato-carcinogenicity. The present study was conducted to investigate the immumodulatory and
Inhibition of Human Neutrophil Responses by the Essential Oil of Artemisia kotuchovii and Its Constituents.
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Essential oils were obtained by hydrodistillation of the flowers+leaves and stems of Artemisia kotuchovii Kupr. (AKEO(f+l) and AKEO(stm), respectively) and analyzed by gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS). The primary components of the oils were estragole, (E)-
Chemical characterization by GC-MS and in vitro activity against Candida albicans of volatile fractions prepared from Artemisia dracunculus, Artemisia abrotanum, Artemisia absinthium and Artemisia vulgaris.
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BACKGROUND
A large number of essential oils is reported to have significant activity against Candida albicans. But the different chemical composition influences the degree of their activity. The intention of this study was to investigate the chemical composition and the activity against Candida
Insecticidal and acetylcholine esterase inhibition activity of Asteraceae plant essential oils and their constituents against adults of the German cockroach (Blattella germanica).
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Přihlášení Registrace
The fumigant and contact toxicities of 16 Asteraceae plant essential oils and their constituents against adult male and female Blattella germanica were examined. In a fumigant toxicity test, tarragon oil exhibited 100% and 90% fumigant toxicity against adult male German cockroaches at 5 and 2.5
Essential Oil Composition and Antigermination Activity of Artemisia dracunculus (Tarragon).
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The chemical composition of an Italian oil of tarragon (Artemisia dracunculus L.) was analyzed by GC/EIMS. The major compound of the oil was estragole (73.3%), followed by limonene (5.4%), (E)-β-ocimene (5.3%), β-pinene (3.4%) and (Z)-β-ocimene (3.0%). The essential oil was tested "in vitro" for its
Comparative evaluation of two different Artemisia dracunculus L. cultivars for blood sugar lowering effects in rats.
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Přihlášení Registrace
Recent concerns about the potential carcinogenicity of estragole and methyleugenol led a number of regulatory bodies to call for restrictions on the use of herbs that contain these constituents. A number of medicinal plants produce essential oils that contain estragole and methyleugenol, including
Artemisia dracunculus L. (tarragon): a critical review of its traditional use, chemical composition, pharmacology, and safety.
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Přihlášení Registrace
Artemisia dracunculus L. (tarragon) has a long history of use as a spice and remedy. Two well-described "cultivars" (Russian and French) are used widely and differ in ploidy level, morphology, and chemistry. Key biologically active secondary metabolites are essential oils (0.15-3.1%), coumarins
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