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Strana 1 z 47 Výsledek
Effects of gentiopicroside, sweroside and swertiamarine, secoiridoids from gentian (Gentiana lutea ssp. symphyandra), on cultured chicken embryonic fibroblasts.
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Přihlášení Registrace
Wound healing properties of Gentian (Gentiana lutea ssp. symphyandra) extract and its main constituents, gentiopicroside, sweroside and swertiamarine (compounds 1-3, respectively) were evaluated by comparison with dexpanthenol on cultured chicken embryonic fibroblasts. The extract was also analyzed
Iridoid glycosides from the flowers of Gentiana macrophylla Pall. ameliorate collagen-induced arthritis in rats.
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BACKGROUND
The flowers of Gentiana macrophylla have been usually applied to cure the joint inflammation and rheumatoid arthritis in Traditional Chinese Medicine.
OBJECTIVE
This work aimed to investigate the anti-rheumatoid arthritic effect and possible mechanism of iridoid glycosides from G.
Secoiridoid glycosides and an antifungal anthranilate derivative from Gentiana tibetica.
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Repetitive chromatography of the methanol extract of the roots of Gentiana tibetica afforded two new secoiridoid glycosides and a novel antifungal anthranilic acid derivative, together with beta-sitosterol, daucosterol, oleanolic acid, loganic acid, gentiopicroside, sweroside,
Chemical and Morphological Inter- and Intrapopulation Variability in Natural Populations of Gentiana pneumonanthe L.
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Inter- and intrapopulation variability in six natural populations of the rare species Gentiana pneumonanthe was examined based on morphological and chemical data. Population size and linear morphometric parameters differed significantly among populations, but without a clear connection to habitat
Gentiana clusii Perr.&Song.: Enhanced production of secondary metabolites by in vitro propagation
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Shoot and root in vitro culture of endemic European species Gentiana clusii was established for the first time. The effects of different concentrations of benzyl adenine (BA), 6-phurphurylaminopurine (KIN), indole-3-butyric acid (IBA) and naphthalene acetic acid (NAA) on shoot propagation and
[Effect of P and K Fertilization on Four Iridoids in Axial and Lateral Root of Gentiana crassicaulis].
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To study the effect of phosphorus( P) and potassium( K) fertilization on four iridoids in axial and lateral root of Gentiana crassicaulis.
Field experiment was conducted based on phosphorus and potassium,and the content of four iridoids was analyzed in the axial and lateral root of Gentiana
Rapid preparative separation of six bioactive compounds from Gentiana crassicaulis Duthie ex Burk. using microwave-assisted extraction coupled with high-speed counter-current chromatography.
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A rapid method combining microwave-assisted extraction (MAE) and high-speed counter-current chromatography (HSCCC) was applied for preparative separation of six bioactive compounds including loganic acid (I), isoorientin-4'-O-glucoside (II), 6'-O-β-d-glucopyranosyl gentiopicroside (III),
[Studies on the chemical constituents in root of Gentiana macrophylla from Shaanxi].
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Přihlášení Registrace
OBJECTIVE
To in vestigate the constituents in root of Gentiana macrophylla.
METHODS
Various column chromatographic techniques were used for isolation and purification of the principles. The structures were elucidated on the basis of spectral data (UV, IR, MS, 1H-, 13C-NMR etc.) and identified by
Secoiridoids and antifungal aromatic acids from Gentiana algida.
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Fractionation of an aqueous acetone extract of the whole herb of Gentiana algida gave one new [2'-(o,m-dihydroxybenzyl)sweroside] and five known secoiridoids, together with anofinic acid, fomannoxin acid, sitosterol, daucosterol, stigmasterol, oleanolic acid, orientin and gentianose. The structures
Secoiridoids from Gentiana siphonantha.
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Repeated fractionations of the methanol extract of the subterranean parts (rhizomes and roots) of Gentiana siphonantha afforded two new and five known secoiridoids, in addition to the widespread plant constituents beta-sitiosterol, daucosterol and oleanolic acid. The structures of the new acyl
Spatial variation profiling of four phytochemical constituents in Gentiana straminea (Gentianaceae).
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Gentiana straminea is the famous Tibetan folk medicine thought to cure various diseases. Historically, the Qinghai-Tibetan region has been considered as the geo-authentic production area of "Mahua Jiao," where large quantities of the medicine are grown. However, there is still little known about the
The anti-inflammatory secoiridoid glycosides from gentianae scabrae radix: the root and rhizome of Gentiana scabra.
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Gentianae Scabrae Radix is a well-known traditional medicine that is used for the treatment of hepatitis, cholecystitis and inflammatory diseases. It consists mainly of secoiridoid glycosides, with representatives of gentiopicroside, sweroside and swertiamarin. In the present study, a chemical
Phytochemical analysis and antibacterial activity of Gentiana macrophylla extract against bacteria isolated from burn wound infections.
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Přihlášení Registrace
The management of burn wound victims is often considered a difficult task due to frequent infections. Moreover, the treatment with conventional antibiotics is associated with the upsurge of drug resistant bacterial strains. Therefore there is pressing need to explore antimicrobials that could
[Simultaneous determination of four constituents in wild Gentiana lawrencei from Qinghai province by RP-HPLC].
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OBJECTIVE
To establish a RP-HPLC method for simultaneously determination of swertiamarin, gentiopicroside, sweroside, isoorientin in Gentiana lawrencei from Qinghai province.
METHODS
The RP-HPLC method was used. Chromatographic column was the Kromasil C18 column (4.6 mm x 250 mm, 5 microm). The
[Simultaneous determination of five bitter secoiridoid glycosides in nine Chinese Gentiana species used as the Chinese drug "long dan" by high performance liquid chromatography].
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Přihlášení Registrace
A new and rapid analytical method for the simultaneous determination of five bitter secoiridoid glycosides (gentiopicroside, GTP; swertiamarin, SWT; sweroside, SWO; amarogentin, AMG; amaroswerin, AMS) in the Chinese drug "Long Dan", roots of Gentiana manshurica and 8 allied species by high
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Zadejte symptom nebo chorobu a přečtěte si o bylinách, které by vám mohly pomoci, napište bylinu a podívejte se na nemoci a příznaky, proti kterým se používá.
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