hederagenin/medicago

Sábháiltear an nasc chuig an gearrthaisce

AiltTrialacha cliniciúlaPaitinní

Roghnaigh cineál sórtála

Leathanach 1 ó 21 torthaí

Isolation of a saponin, hederin, and its sapogenin, hederagenin, from bur clover (Medicago hispida).

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Logáil Isteach / Cláraigh

Variation in saponin content during the growing season of spotted medic [Medicago arabica (L.) Huds.].

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Logáil Isteach / Cláraigh

BACKGROUND Spotted medic [Medicago arabica (L.) Huds.] is a minor forage species containing saponins which are reported to be biologically active. This study assessed the concentration and composition pattern of spotted medic saponins during the growing season and at senescence. The pattern of

Triterpene saponins from the roots of Medicago hybrida.

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Logáil Isteach / Cláraigh

Fourteen triterpene saponins (1-14) have been isolated from the roots of Medicago hybrida and their structures elucidated by FAB-MS and NMR analysis. Two of them are new compounds and were identified as hederagenin

Triterpenoid glycosides from the leaves of two cultivars of Medicago polymorpha L.

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Logáil Isteach / Cláraigh

The saponin composition of leaves from the Medicago polymorpha cultivars 'Santiago' and 'Anglona' belonging to the botanical varieties brevispina and vulgaris, respectively, was investigated by a combination of chromatographic, spectroscopic, and spectrometric techniques. Several compounds were

New triterpenic saponins from the aerial parts of Medicago arabica (L.) huds.

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Logáil Isteach / Cláraigh

The reinvestigation of saponin composition from Medicago arabica from Italy allowed the detection of nineteen (1-19) saponins. All of them were purified by reverse-phase chromatography and their structures elucidated by spectroscopic and spectrometric (1D and 2D NMR; ESI-MS/MS) and chemical methods.

Triterpene saponins from aerial parts of Medicago arabica L.

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Logáil Isteach / Cláraigh

Eight major triterpene saponins have been isolated from the aerial parts of Medicago arabica and their structures elucidated by FAB-MS and NMR analysis. Three of them are new compounds and are identified as 3-O-(alpha-L-arabinopyranoside) bayogenin, 3-O-(alpha-L-arabinopyranosyl),

Antidermatophyte activity of medicago extracts and contained saponins and their structure-activity relationships.

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Logáil Isteach / Cláraigh

Saponin-rich extracts of Medicago sativa L. have been shown to display antifungal activity against a range of common fungibut only a few individual saponins have been tested against dermatophytes. Total saponins were separately obtained from roots and aerial parts of Medicago sativa, M. murex, M.

Saponins in alfalfa (Medicago sativa L.) root and their structural elucidation.

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Logáil Isteach / Cláraigh

Twenty-four saponins have been identified in alfalfa roots, including 13 medicagenic acids, 2 zanhic acids, 4 hederagenins, 1 soyasapogenol A, 2 soyasapogenol B's, 1 soyasapogenol E, and 1 bayogenin glycoside. Ten of the identified compounds, including

Isolation and determination of saponin hydrolysis products from Medicago sativa using supercritical fluid extraction, solid-phase extraction and liquid chromatography with evaporative light scattering detection.

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Logáil Isteach / Cláraigh

Saponins are widespread secondary metabolites with various beneficial properties: fungicidal, antibacterial, antiviral, and anticancer. Alfalfa saponin molecules contain mainly: medicagenic acid, hederagenin, bayogenin, and soyasapogenol B. Structural diversity of saponins makes their determination

Chemical investigation of saponins from twelve annual Medicago species and their bioassay with the brine shrimp Artemia salina.

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Logáil Isteach / Cláraigh

The saponin and sapogenin composition of the aerial growth of 12 annual Medicago species sampled at full senescence were investigated. Saponins were extracted from the plant material and obtained in a highly pure grade by reverse-phase chromatography, with a yield ranging from 0.38 +/- 0.04% to 1.35

Allelopathic potentials of alfalfa (Medicago sativa) saponins: Their relation to antifungal and hemolytic activities.

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Logáil Isteach / Cláraigh

A wheat seedling bioassay was used to indicate the relationship between the chemical structure of alfalfa saponins and their allelopathic activity. None of the tested saponins significantly influenced wheat germination. Seedling growth bioassays indicated significant differences among the activities

Chemistry and biological activity of triterpenoid glycosides from Medicago sativa.

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Logáil Isteach / Cláraigh

Ten triterpenoid glycosides have been isolated from the roots of Medicago sativa L. (Leguminosae) including eight new glycosides and two previously known, medicagenic acid 3-O-beta-D-glucopyranoside and hederagenin 3-O-[beta-D-glucopyranosyl(1-->2)-alpha-L-arabinopyranoside]. Four new saponins were

Enhanced triterpene saponin biosynthesis and root nodulation in transgenic barrel medic (Medicago truncatula Gaertn.) expressing a novel beta-amyrin synthase (AsOXA1) gene.

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Logáil Isteach / Cláraigh

Triterpene saponins are a group of bioactive compounds abundant in the genus Medicago, and have been studied extensively for their biological and pharmacological properties. In this article, we evaluated the effects of the ectopic expression of AsOXA1 cDNA from Aster sedifolius on the production of

Integrated metabolomics identifies CYP72A67 and CYP72A68 oxidases in the biosynthesis of Medicago truncatula oleanate sapogenins.

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Logáil Isteach / Cláraigh

Triterpene saponins are important bioactive plant natural products found in many plant families including the Leguminosae.We characterize two Medicago truncatula cytochrome P450 enzymes, MtCYP72A67 and MtCYP72A68, involved in saponin biosynthesis including

Antimicrobial activity of saponins from Medicago sp.: structure-activity relationship.

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Logáil Isteach / Cláraigh

The antimicrobial activity of saponins from Medicago sativa, M. arborea and M. arabica against a selection of medically important yeasts, Gram-positive and -negative bacteria was investigated. Structure-activity growth inhibitory effects of related prosapogenins and sapogenins are also described.

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