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acetylcorynoline/corydalis bungeana
Veza se sprema u međuspremnik
8 rezultatima
[Preparation and simultaneous determination of corynoline and acetylcorynoline in the herb of Corydalis bungeana].
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OBJECTIVE
To isolate and purify corynoline and acetylcorynoline from Corydalis bungeana and develop a reversed-phase HPLC method of determining the two components in C. bungeana.
METHODS
Alkaloids were isolated from the ethanolic extract with column gel chromatography, and identified on the basis of
Acetylcorynoline impairs the maturation of mouse bone marrow-derived dendritic cells via suppression of IκB kinase and mitogen-activated protein kinase activities.
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BACKGROUND
Dendritic cells (DCs) are major modulators in the immune system. One active field of research is the manipulation of DCs as pharmacological targets to screen novel biological modifiers for the treatment of inflammatory and autoimmune disorders. Acetylcorynoline is the major alkaloid
Gradient elution liquid chromatography mass spectrometry determination of acetylcorynoline in rat plasma and its application to a pharmacokinetic study.
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1. Acetylcorynoline is the major alkaloid component derived from Corydalis bungeana herbs. A sensitive and selective liquid chromatography mass spectrometry method for determination of acetylcorynoline in rat plasma was developed over the range of 5-1000 ng/mL to characterize the pharmacokinetic
Chemical Study of Alkaloids from Corydalis bungeana.
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From the herbs of CORYDALIS BUNGEANA, 16 alkaloids were isolated; 3 of them were identical with acetylcorynoline ( 2), corynoline ( 5), protopine ( 9), which had been obtained before from this plant. A further 11 known alkaloids: dihydrosanguinarine ( 1), acetylisocorynoline ( 3), 11-epicorynoline (
Large-scale separation of alkaloids from Corydalis bungeana Turcz. by pH-zone-refining counter-current chromatography.
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pH-Zone-refining counter-current chromatography (pH-zone-refining CCC) was successfully applied for the large-scale separation of alkaloids from Corydalis bungeana. The crude extract was separated by a two-phase solvent system composed of petroleum ether-ethyl acetate-methanol-water (5:5:2:8, v/v)
Simultaneous determination and pharmacokinetics of five alkaloids in rat plasma by ultra high performance liquid chromatography with tandem mass spectrometry after the oral administration of Corydalis bungeana Turcz extract.
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Pharmacokinetic studies were conducted on rats for protopine, corynoline, 7'-(3',4'-dihydroxyphenyl)-N-[(4-methoxyphenyl)-ethyl]propenamide, acetylcorynoline, and 8-oxocorynoline, five main active components from Corydalis bungeana Turcz (C. bungeana Turcz). An ultra high performance liquid
Acetylcorynoline attenuates dopaminergic neuron degeneration and α-synuclein aggregation in animal models of Parkinson's disease.
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Parkinson's disease (PD), the second most common neurodegenerative disease, impairs motor skills and cognitive function. To date, the drugs used for PD treatment provide only symptomatic relief. The identification of new drugs that show benefit in slowing the decline seen in PD patients is the focus
Simultaneous determination of corynoline and acetylcorynoline in human urine by LC-MS/MS and its application to a urinary excretion study.
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Corynoline and acetycorynoline, the major active components derived from Corydalis bungeana Herba, showed multiple pharmacological activities. However, quantification of the two compounds in human urine has not been reported. A simple liquid chromatography with tandem mass spectrometry method for
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