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Страница 1 от 56 резултата
In Vitro Effects of Plantago Major Extract, Aucubin, and Baicalein on Candida albicans Biofilm Formation, Metabolic Activity, and Cell Surface Hydrophobicity.
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OBJECTIVE
To determine the in vitro effectiveness of Plantago major extract, along with two of its active components, aucubin and baicalein, on the inhibition of Candida albicans growth, biofilm formation, metabolic activity, and cell surface hydrophobicity.
METHODS
Twofold dilutions of P. major,
[Determination of aucubin in Plantago asiatica L., P. major L. and P. depressa Willd. by HPLC].
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A HPLC method for the determination of aucubin in P. asiatica, P. major and P. depressa was established. The mobile phase is MeOH-H2O (17:83). Good in producibility and high in rate of recovery, this method provides an effective way for the study of Plantago.
A rapid and sensitive determination of aucubin in rat plasma by liquid chromatography-tandem mass spectrometry and its pharmacokinetic application.
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A sensitive, accurate, rapid and robust LC-MS-MS method for the quantification of aucubin, a major bioactive constituent of Aucuba japonica, Eucommia ulmoides and Plantago asiatica, was established and validated in rat plasma. Plasma samples were simply precipitated by adding methanol and the
A review of the pharmacology and toxicology of aucubin.
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Aucubin is an iridoid glycoside that is widely prevalent in traditional medicinal herbs, such as Eucommia ulmoides Oliv., Aucuba japonica Thunb. and Plantago asiatica L. This review aims to provide a comprehensive summary of the source, biological activity, pharmacokinetics and toxicology of aucubin
Determination of aucubin and catalpol in Plantago species by micellar electrokinetic chromatography.
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Micellar electrokinetic chromatography (MEKC) was used for the separation and determination of two iridoid glycosides, aucubin and catalpol, in several Plantago species growing in Croatia: P. altissima L., P. argentea Chaix, P. coronopus L., P. holosteum Scop. (subsp. depauperata, subsp. holosteum
A validation protocol for the HPTLC standardization of herbal products: application to the determination of acteoside in leaves of Plantago palmata Hook. f.s.
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Formal validation, that is the study of the analytical performances of a method, is recognized as the best safeguard against the generation and publication of data with low reliability. Although the topic of HPTLC validations has been largely investigated, there is still a need for a general
Antispasmodic activity of an extract from Plantago lanceolata L. and some isolated compounds.
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An ethanolic spissum extract of the aerial parts of Plantago lanceolata L. was examined for antispasmodic activity on isolated ileum and trachea of the guinea-pig. Isolated constituents were investigated as well. The P. lanceolata extract inhibited the contractions of the guinea-pig ileum that were
Toxicological evaluation of a standardized hydroethanolic extract from leaves of Plantago australis and its major compound, verbascoside.
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BACKGROUND
Plantago australis is a perennial plant widely distributed in Latin America, and its seeds and leaves are used in folk medicine to treat many diseases and conditions. Among its various chemical compounds, verbascoside is one of the most present, and has several pharmacological activities
Impact of the dual defence system of Plantago lanceolata (Plantaginaceae) on performance, nutrient utilisation and feeding choice behaviour of Amata mogadorensis larvae (Lepidoptera, Erebidae).
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Iridoid glycosides are plant defence compounds with potentially detrimental effects on non-adapted herbivores. Some plant species possess β-glucosidases that hydrolyse iridoid glycosides and thereby release protein-denaturing aglycones. To test the hypothesis that iridoid glycosides and plant
Iridoids from plantago lagopus.
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Catalpol ( 1 ), harpagoside ( 2 ), aucubin ( 3 ), 10-benzoylcatalpol ( 4 ) and 6-a-hydroxy-geniposide ( 5 ) were isolated from the aerial parts of Plantago lagopus L. for the first time. More generally, this is the first report of compound 5 being obtained from a plant extract.
Phytochemical analysis of Plantago sempervirens from Majella National Park.
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In this study, we report the isolation and identification of several compounds from Plantago sempervirens Crantz, collected in the protected area of Majella National Park. We examined the polar fraction, in particular the iridoidic one. Aucubin, caryoptoside, plantarenaloside and gardoside were
Species-specific plant-soil feedbacks alter herbivore-induced gene expression and defense chemistry in Plantago lanceolata.
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Plants actively interact with antagonists and beneficial organisms occurring in the above- and belowground domains of terrestrial ecosystems. In the past decade, studies have focused on the role of plant-soil feedbacks (PSF) in a broad range of ecological processes. However, PSF and its legacy
Systemic, genotype-specific induction of two herbivore-deterrent iridoid glycosides in Plantago lanceolata L. in response to fungal infection by Diaporthe adunca (Rob.) Niessel.
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Iridoid glycosides are a group of terpenoid secondary plant compounds known to deter generalist insect herbivores. In ribwort plantain (Plantago lanceolata), the iridoid glycosides aucubin and catalpol can be induced following damage by insect herbivores. In this study, we investigated whether the
The effect of nutrients and enriched CO$_2$ environments on production of carbon-based allelochemicals in Plantago: a test of the carbon/nutrient balance hypothesis.
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In a test of the carbon/nutrient (C/N) balance hypothesis, we grew the perennial herb Plantago lanceolata in different CO2 and nutrient environments and then (1) measured the total allocation to shoots, roots, and reproductive parts and (2) quantified aucubin, catalpol, and verbascoside contents of
Chemical defense, mycorrhizal colonization and growth responses in Plantago lanceolata L.
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Allelochemicals defend plants against herbivore and pathogen attack aboveground and belowground. Whether such plant defenses incur ecological costs by reducing benefits from plant mutualistic symbionts is largely unknown. We explored a potential trade-off between inherent plant chemical defense and
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