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bocconia macbrideana/alkaloid
Nuoroda įrašoma į mainų sritį
Puslapis 1 nuo 17 rezultatus
Inhibitory activity on binding of specific ligands to the human angiotensin II AT(1) and endothelin 1 ET(A) receptors: bioactive benzo[c]phenanthridine alkaloids from the root of Bocconia frutescens.
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A bioassay-guided fractionation of the 80 % ethanolic extract from Bocconia frutescens L. roots, showing a dose-dependent inhibitory effect towards both [(3)H]-angiotensin II and [(3)H]-BQ-123 binding to the human angiotensin II AT 1 and endothelin 1 ET(A) receptors, led to an alkaloidal subfraction
Two antimicrobial alkaloids from Bocconia arborea.
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Two alkaloid constituents of Bocconia arborea showed considerable antimicrobial activity against gram-positive and gram-negative bacteria and Candida albicans. Bioactivity-guided fractionation with thin-layer bioautography led to the isolation of the two known benzophenanthridine alkaloids,
Identification of benzophenanthridine alkaloids from Bocconia arborea by gas chromatography-mass spectrometry.
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A methanol extract of the bark of Bocconia arborea was fractionated on silica gel and the fractions analysed using gas chromatography coupled with mass spectrometry (GC-MS). Several benzophenanthridine alkaloids were identified including dihydrosanguinarine, oxysanguinarine,
[Inhibition of liver mitochondrial monoamine oxidase activity by alkaloids isolated from Chelidonium and Macleaya and by their derivative drugs].
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It has been shown that the major alkaloids from plants Chelidonium majus L. and Macleaya (Bocconia) cordata and microcarpa, namely, berberine, sanguinarine, chelidonine, and drugs "Ukrain" (thiophosphoric acid derivative of a sum of the alkaloids isolated from Ch. majus L.) and "Sanguirythrine" (a
[Effect of some isoquinoline alkaloids on enzymatic activity of acetylcholinesterase and monoamine oxidase].
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It has been shown, that some benzo[c]-phenanthridine and diisoquinoline alkaloids isolated from Chelidonium majus L. and Macleaya (Bocconia) cordata and M. microcarpa (berberine, sanguinarine, chelidonine) and of drugs ("Ukrain" and "Sanguirythrine") inhibited the enzyme activity of
[The inhibition enzymatic hydrolysis of acetylthiocholine by acetylcholinesterase using principal alkaloids isolated from celandine and macleya and their derivatives].
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A study was made of a possible inhibitory action on the enzymatic hydrolysis of acetylthiocholine by human erythrocyte acetylcholinesterase of principal alkaloids isolated from Chelidonium majus L. and Macleaya (Bocconia) cordata and microcarpa (namely sanguinarine, chelidonine, berberine), and of
In vitro leishmanicidal activity of benzophenanthridine alkaloids from Bocconia pearcei and related compounds.
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Leishmanicidal activities of benzophenanthridine alkaloids isolated from fruits of Bocconia pearcei and their derivatives were examined. Seven benzophenanthridine compounds were isolated from the methanolic extracts of B. pearcei. Among them, dihydrosanguinarine showed the most potent leishmanicidal
In vitro effect of sanguinarine alkaloid on binding of [3H]candesartan to the human angiotensin AT1 receptor.
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The type of interaction of 5-methyl-2,3,7,8-bis(methylenedioxy)benzo[c]phenanthridinium (sanguinarine), an alkaloid isolated from the root of Bocconia frutescens L., with the human angiotensin AT(1) receptor was evaluated in both intact cells and membrane binding of
Biotransformation and tissue distribution of protopine and allocryptopine and effects of Plume Poppy Total Alkaloid on liver drug-metabolizing enzymes.
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In this study, the biotransformation in the plasma, urine and feces of rats following oral administration of protopine (PRO) and allocryptopine (ALL)were explored using HPLC-QqTOF MS. An HPLC-MS/MS method for the determination of tissues was developed and applied to the tissue distribution study in
[Studies on the alkaloids of fumariaceous plants. IX. Alkaloids of Bocconia frutescens].
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Isolation and characterization of three minor alkaloids of Bocconia (Macleaya) cordata Willd.
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[Studies on the alkaloids of fumariaceous plants. V. Alkaloids of Bocconia cordata (Macleya cordata)].
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[Studies on the alkaloids of papaveraceous plants. XV. On the alkaloids of Bocconia cordata. 2].
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Antimicrobial compounds detected in Bocconia arborea extracts by a direct bioautographic method.
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BACKGROUND
Among the numerous in vitro methods for studying the antimicrobial activity of plant drugs, bioautography has found widespread applications, especially for the detection of new compounds in complex plant extracts.
METHODS
This paper describes the results obtained during the application of
Teratogenic effects of Bocconia frutescens L.
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It is estimated that 80% of the world population trusts traditional medicine. A large number of Americans use infusions of Bocconia frutescens L. leaves to treat cough and gastrointestinal disorders. However, phytochemical studies reveal that this plant contains alkaloids and other potentially
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