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pancratium sickenbergeri/alkaloid
Ο σύνδεσμος αποθηκεύεται στο πρόχειρο
Σελίδα 1 από 20 Αποτελέσματα
Two new alkaloids of the crinane series from Pancratium sickenbergeri.
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Σύνδεση εγγραφή
Two new alkaloids; ent-6alpha/6beta-hydroxybuphanisine, (-)-8-demethylmaritidine and seven known alkaloids were isolated from Pancratium sickenbergeri grown in Egypt. Three of the known alkaloids were tested in the NCI cytotoxicity screen, but were found to be inactive.
Alkaloids in Bulgarian Pancratium maritimum L.
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Σύνδεση εγγραφή
A GC/MS analysis of alkaloids from leaves, bulbs and roots of Pancratium maritimum was performed. From the identified 16 alkaloids, 5 alkaloids were reported for the first time for this plant. Several compounds with pharmacological activity were found. Haemanthamine was main alkaloid in the leaves
Antimalarial activity screening of some alkaloids and the plant extracts from Amaryllidaceae.
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Σύνδεση εγγραφή
Four groups of Amaryllidaceae alkaloids, namely lycorine-, crinine-, tazettine-, and galanthamine-type, as well as plant extracts of the Amaryllidaceae plants (Pancratium maritimum, Leucojum aestivum, and Narcissus tazetta ssp. tazetta) growing in Turkey were evaluated in vitro for their ability to
Alkaloids of the flowers of Pancratium maritimum.
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The defatted ethanolic extract of the fresh flowers of Pancratium maritimum L. yielded the four known alkaloids lycorine, maritidine, lycoramine, and galanthamine. The structures of the isolated alkaloids were determined mainly through spectroscopic studies including one- and two-dimensional NMR
New alkaloids from Pancratium maritimum.
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As a part of ongoing search efforts for the discovery of anticancer lead entities from natural sources, bulbs and flowers of the amaryllidaceous plant Pancratium maritimum have been investigated. Fractionation of the extracts of the fresh flowers and bulbs of P. maritimum led to the isolation of
Pancratium canariense as an important source of amaryllidaceae alkaloids.
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Σύνδεση εγγραφή
Four new alkaloids (1-4) have been isolated from a methanolic extract of bulbs of Pancratium canariense, together with 12 known alkaloids (5-16). The structures of the new alkaloids were determined by extensive 1D and 2D NMR spectroscopic studies and X-ray diffraction.
Alkaloids of pancratium maritimum L. (Amaryllidaceae). II.
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Chemistry and biology of Pancratium alkaloids.
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A potent acetylcholinesterase inhibitor from Pancratium illyricum L.
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Plants belonging to the Amaryllidaceae contain an exclusive group of alkaloids, known as sources of important biological activities. In the present work, Pancratium illyricum L., a species belonging to this family and endemic of Sardinia (Italy), was investigated for its alkaloid content. Fresh
Insecticidal, acaricidal and synergistic effects of soosan, Pancratium maritimum extracts and constituents.
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In assessing the pesticidal activity of soosan, P. maritimum, the bulbs and leaves were extracted using acetone/ethanol & ethanol as solvents and mosquito larvae C. pipiens, as a test organism. The actone/ethanol extract of bulbs was more toxic (LC50: 25 ppm) than that of the leaves (LC50: 75 ppm).
HPLC - DAD analysis of lycorine in Amaryllidaceae species.
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Σύνδεση εγγραφή
Lycorine, the most frequent alkaloid found in Amaryllidaceae plants, has been proven to have various biological activities. Therefore, it is important to quantify this compound in Amaryllidacaeae species. In this study, a reversed-phase high-performance liquid chromatographic method has been used
Changes in apolar metabolites during in vitro organogenesis of Pancratium maritimum.
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Calli, shoot-clumps and regenerated plants were initiated from young fruits of Pancratium maritimum L. Their genetic stability was monitored by flow cytometry before chemical studies. Apolar metabolites (alkaloids extracted at pH > 7, free fatty acids and fatty alcohols, sterols etc.) were
Relevant and selective activity of Pancratium illyricum L. against Candida albicans clinical isolates: a combined effect on yeast growth and virulence.
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BACKGROUND
Alkaloids present in plants of the Amaryllidaceae family are secondary metabolites of high biological interest, possessing a wide range of pharmacological activities. In the search for new plant-derived compounds with antimicrobial activities, two alkaloid extracts obtained from bulbs and
Antibacterial activity and virtual screening by molecular docking of lycorine from Pancratium foetidum Pom (Moroccan endemic Amaryllidaceae).
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Σύνδεση εγγραφή
Lycorine is an alkaloid isolated from bulbs of Pancratium foetidum Pom Amaryllidaceae of the genus Lycoris. It has very strong pharmacodynamics properties and biological effects, among others, antimalarial, antiviral, antitumor, and anti-inflammatory. Lycorine has been identified and characterized
Comparative transcriptional analysis reveals differential gene expression between Sand Daffodil tissues.
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Sand Daffodil (Pancratium maritimum) is a world-wide endangered Amayllidaceae species and represents an important anti-cancer medicinal resource due to alkaloids production. Despite its increasing pharmaceutical importance, there are not molecular resources that can be utilized toward improving
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