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columbianetin/angelica pubescens
Nuoroda įrašoma į mainų sritį
9 rezultatus
[Determination of columbianetin, columbianetin acetate and osthol in Angelica pubescens Maxim. f. biserrata Shan et Yuan by HPLC].
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OBJECTIVE
To develop a method for the determination of columbianetin, columbianetin acetate and osthol in Angelica pubescens f. biserrata
METHODS
HPLC method, ODS column (6.0 mm x 150 mm) with a mobile phase of methanol-acetonitrile-0.025 mol.L-1 phosphoric acid (32:20:48), and wave length detection
Determination of osthole and columbianetin acetate in Angelica pubescens by reversed phase HPLC.
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HPLC-based activity profiling of Angelica pubescens roots for new positive GABAA receptor modulators in Xenopus oocytes.
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A petroleum ether extract of the traditional Chinese herbal drug Duhuo (roots of Angelica pubescens Maxim. f. biserrata Shan et Yuan), showed significant activity in a functional two-microelectrode voltage clamp assay with Xenopus oocytes which expressed recombinant γ-aminobutyric acid type A
[Absorption and transport of 6 coumarins isolated from the roots of Angelica pubescens f. biserrata in human Caco-2 cell monolayer model].
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OBJECTIVE
To study the absorption and transepithelial transport of six coumarins (umbelliferone, osthole, columbianadin, columbianetin acetate, angelol-A and angelol-B, isolated from the roots of Angelica pubescens f. biserrata) in the human Caco-2 cell monolayer model.
METHODS
The in vitro cultured
[Studies on chemical constituents of the roots of Angelica pubescens].
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OBJECTIVE
To study the chemical constituents of the roots of Angelica pubescens.
METHODS
Fresh roots of Angelica pubescens were extracted with EtOH,the chemical constituents in the extract were isolated by column chromatography as macroporous absorption resin,and ODS etc. Their structures were
Tissue distribution study of columbianadin and its active metabolite columbianetin in rats.
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Columbianadin, one of the main bioactive constituents of the roots of Angelica pubescens Maxim. f. biserrata Shan et Yuan, has been found to possess obvious pharmacological effects in previous studies. In this study, a valid and sensitive reverse-phase high-performance liquid chromatography
The pharmacokinetics and oral bioavailability studies of columbianetin in rats after oral and intravenous administration.
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BACKGROUND
The roots of Angelica pubescens Maxim. f. biserrata Shan et Yuan (RAP) has been used as Traditional Chinese medicine to treat rheumatic disease in China since ancient times, but its action mechanisms was not well understood. Columbianetin is one of the main active constituents isolated
Anti-inflammatory and analgesic activities from roots of Angelica pubescens.
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In the present study, we extracted Angelica pubescens (AP) with various solvents in order to find the bioactive constituents that demonstrated analgesic and anti-inflammatory effects. The results were obtained as follows: (1) Methanol-, chloroform-, and ethyl acetate-extracts effectively reduced the
Biotransformation of columbianadin by rat hepatic microsomes and inhibition of biotransformation products on NO production in RAW 264.7 cells in vitro.
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Columbianadin (CBN, 1), 1-[(8S)-8,9-dihydro-2-oxo-2H-furo[2,3-h]-1-benzopyran-8-yl]-1-methylethyl-[(2Z)-2-methyl-2-butenoic acid]ester is a coumarin-type compound and one of the main bioactive constituents of the underground part of Angelica pubescens Maxim. f. biserrata Shan et Yuan. Although
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