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dehydrocorydaline/corydalis
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Sayfa 1 itibaren 35 Sonuçlar
Inhibitory effects of dehydrocorydaline isolated from Corydalis Tuber against type I-IV allergic models.
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An alkaloidal component, dehydrocorydaline (DHC) isolated from Corydalis Tuber (tuber of Corydalis turtschaninovii forma yanhusuo), has been screened for activity against types I-IV allergic reactions. In a type I allergic models, DHC at a dose of 0.5 mmol/kg, p.o. inhibited 48 h homologous passive
[Disposition and metabolism of 14C-dehydrocorydaline in mice and rats].
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Dehydrocorydaline, an alkaloid from Corydalis bulbosa possessing anti-ulceric activity, was labeled by methyl-14C at position 13, and its disposition and metabolism were studied in mice and rats after oral (50 mg/kg) or intravenous (6.8 mg/kg) administration. Blood levels were as low as 0.5 (mice)
Anti-Metastatic Effect of Dehydrocorydaline on H1299 Non-Small Cell Lung Carcinoma Cells via Inhibition of Matrix Metalloproteinases and B Cell Lymphoma 2.
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Though Dehydrocorydaline, an alkaloid isolated from Corydalis turtschaninovii tuber, was known to have anti-coronary artery disease, anti-inflammatory, apoptotic, anti-allergic, anti-acetylcholinesterase, and antitumor effects, the underlying anti-metastatic mechanism of Dehydrocorydalin was never
Adrenergic neuron blocking action of dehydrocorydaline isolated from Corydalis bulbosa.
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Dehydrocorydaline, an active principle of Corydalis bulbosa alkaloids, in concentrations of 10(-5) M to 5 x 10(-5)M inhibited relaxation and the concomitant release of (3H)-noradrenaline caused by 10(-4)M nicotine and electrical perivascular nerve stimulation in the taenia caecum of guinea pig. The
LC-MS/MS determination and pharmacokinetic study of dehydrocorydaline in rat plasma after oral administration of dehydrocorydaline and Corydalis yanhusuo extract.
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A rapid, sensitive and selective liquid chromatography/tandem mass spectrometry method (LC-MS/MS) was developed and validated for determination of dehydrocorydaline (DHC) in rat plasma using nitidine chloride as an internal standard. The analytes were solid-phase extracted and eluted on a C18
Potential target-related proteins in rabbit platelets treated with active monomers dehydrocorydaline and canadine from Rhizoma corydalis.
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Effect of wine and vinegar processing of Rhizoma Corydalis on the tissue distribution of tetrahydropalmatine, protopine and dehydrocorydaline in rats.
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Vinegar and wine processing of medicinal plants are two traditional pharmaceutical techniques which have been used for thousands of years in China. Tetrahydropalmatine (THP), dehydrocorydaline (DHC) and protopine are three major bioactive molecules in Rhizoma Corydalis. In this study, a simple and
[Constituents of Corydalis sps. 8. Synthesis of dehydrocorydaline derivatives].
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In vivo disease control efficacy of isoquinoline alkaloids isolated from Corydalis ternata against wheat leaf rust and pepper anthracnose.
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Phytochemicals have been considered as alternatives for synthetic fungicides because of their biodegradability and low toxicity. In this study, we found that the methanolic extract of Corydalis ternata suppressed the development of plant diseases caused by Puccinia triticina and Colletotrichum
[Alkaloid constituents of Corydalis adunca].
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OBJECTIVE
To study the alkaloid component of Corydalis adunca Maxim.
METHODS
The constituents were isolated by chromatographic methods, their structures were elucidated by spectroscopic evidences.
RESULTS
Three compounds were purified and their structures were identified, they were identified as
Positive cooperation of protoberberine type 2 alkaloids from Corydalis cava on the GABA(A) binding site.
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Protoberberine alkaloids from the rhizomes of Corydalis cava were investigated with regard to their influence on the GABA A receptor using radioreceptor assays. Whereas the protoberberine type 2 alkaloids, isoapocavidine, corydaline, tetrahydropalmatine, scoulerine and isocorypalmine, increased the
A biochemometrics strategy combining quantitative determination, bioactivity evaluation and relationship analysis for identification of analgesic alkaloids of raw and vinegar-processed Corydalis turtschaninovii.
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A biochemometrics strategy combining quantitative determination, bioactivity evaluation and relationship analysis was proposed for identification of analgesic components of herbs. First, a robust liquid chromatography tandem mass spectrometry method was developed for simultaneous determination of
Establishment of a rapid and sensitive UPLC-MS/MS method for pharmacokinetic determination of nine alkaloids of crude and processed Corydalis turtschaninovii Besser aqueous extracts in rat plasma.
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Corydalis turtschaninovii (CT) is a traditional Chinese medicine which is known to have analgesic effects, and is under investigation for the management of chronic pain. Our study aims to establish a UPLC-MS/MS method for pharmacokinetic determination of nine bioactive alkaloids of raw and processed
Studies of anti-cataract drugs from natural sources. I. Effects of a methanolic extract and the alkaloidal components from Corydalis tuber on in vitro aldose reductase activity.
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The inhibitory of Corydalis tuber (Corydalis turtschaninovii Besser forma yanhusuo Y. H. Chou et C. C. Hsu) was tested on crude rat lens aldose reductase, an enzyme involved in the complications of diabetes. The methanolic extract (CM-ext) inhibited aldose reductase, while the aqueous extract
Anti-inflammatory activities of methanolic extract and alkaloidal components from Corydalis tuber.
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A methanolic extract (CM-ext) from Corydalis tuber (Corydalis turtschaninovii Besser forma yanhusuo Y. H. Chou et C. C. Hsu) has been screened for activity in experimental models of inflammation. CM-ext (200 or 500 mg/kg, p.o.) inhibited an increase in vascular permeability in mice induced by acetic
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