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helleborus niger/glycoside
Povezava se shrani v odložišče
6 rezultatov
[An unknown glycoside from dried leaves of Helleborus niger (author's transl)].
Samo registrirani uporabniki lahko prevajajo članke
Prijava / prijava
Study on secondary metabolite content of Helleborus niger L. leaves.
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Prijava / prijava
Phytochemical investigation of Helleborus niger L. (Ranunculaceae) leaf methanol extract allowed to isolate a phenolic glucoside derivative and two flavonoid glycosides characterized as phenyllactic acid 2-O-β-D-glucopyranoside (1), quercetin 3-O-2-(E-caffeoyl)-α-L-arabinopyranosyl-(1 →
Sepal phenolic profile during Helleborus niger flower development.
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Prijava / prijava
Morphological changes and phenolic patterns of developing hellebore sepals and the effects of pistil removal on these parameters were studied by comparing six flower stages of Helleborus niger. Color changes were evaluated colorimetrically, chlorophyll content was measured spectrophotometrically,
Pharmacognostical and Phytochemical Studies of Helleborus niger L Root.
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Prijava / prijava
BACKGROUND
Helleborus niger L (Ranunculaceae) is used Ayurvedic and Unani systems and other herbal medicine systems. The roots of H. niger have a good medicinal value.
OBJECTIVE
To conduct a pharmacognostical and phytochemical study of H. niger.
METHODS
The pharmacognostical studies on roots
LC-MS(n) characterization of steroidal saponins in Helleborus niger L. roots and their conversion products during fermentation.
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Prijava / prijava
Steroidal saponins comprise a substantial part of the secondary metabolite spectrum in the medicinal plant Helleborus niger L. (black hellebore). The saponin fraction from the roots was investigated by LC-MS(n) resulting in 38 saponins and β-ecdysone. Nine diosgenyl-type glycosides, mainly
Antiseizure potential of the ancient Greek medicinal plant Helleborus odorus subsp. cyclophyllus and identification of its main active principles
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Prijava / prijava
Ethnopharmacological relevance: Ethnopharmacological data and ancient texts support the use of black hellebore (Helleborus odorus subsp. cyclophyllus, Ranunculaceae) for the management and treatment of epilepsy in ancient Greece.
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