sophoranol/sophora

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LC-MS characterization of efficacy substances in serum of experimental animals treated with Sophora flavescens extracts.

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Anti-DHBV (duck hepatitis B virus) activity was found in the aqueous extracts of Sophora flavescens Ait. in vivo. Liquid chromatography/electrospray ionization ion trap mass spectrometry was applied to characterize the components in duck serum after oral administration of S. flavescens extract.

Determination of quinolizidine alkaloids in Sophora tonkinensis by HPCE.

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A simple, rapid and reliable high-performance capillary electrophoresis method has been developed to determine quantitatively the alkaloid content of Sophora tonkinensis, a Chinese herb commonly known as shan-dou-gen. A total of seven quinolizidine alkaloids (cytisine, sophocarpine, matrine,

Quinolizidine alkaloids with anti-HBV activity from Sophora tonkinensis.

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A new matrine-type alkaloid, (-)-14 beta-hydroxyoxymatrine (1), was isolated from the roots and rhizomes of Sophora tonkinensis Gapnep. (Leguminosae), together with five known matrine-type alkaloids, (-)-14 beta-hydroxymatrine (2), (+)-oxymatrine (3), (+)-matrine (4), (+)-sophoranol (5), and (-)-5

[Chemical Constituents of Alkaloids from the Bark of Sophora japonica].

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To study the chemical constituents in the bark of Sophora japonica. The chemical constituents were separated and purified by silica gel,Sephadex LH-20 column chromatography,and HPLC. Their structures were identified by various spectroscopic analyses. Eleven compounds were obtained from the bark of

Antiviral Chinese medicinal herbs against respiratory syncytial virus.

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Forty-four medicinal herbs were tested for antiviral activities against respiratory syncytial virus (RSV) by means of the cytopathologic effect (CPE) assay. Twenty-seven of the 44 medicinal herbs showed potent or moderate antiviral activities against RSV with 50% inhibition concentration (IC(50))

Quinolizidine alkaloids from the roots of Sophora flavescens

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Seventeen quinolizidine alkaloids, including a new matrine-type one, sophcence A (1), were isolated from the roots of Sophora flavescens Alt. The structure of compound 1 was elucidated by means of 1D and 2D NMR, as well as HR-ESI-MS spectroscopic data. The NMR data of

Antiviral Matrine-Type Alkaloids from the Rhizomes of Sophora tonkinensis.

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Three new matrine-type alkaloids, (+)-5α-hydroxyoxysophocarpine (1), (-)-12β-hydroxyoxysophocarpine (2), and (+)-5α-hydroxylemannine (3), along with 14 known analogues, (-)-sophocarpine (4), (-)-5α-hydroxysophocarpine (5), (-)-9α-hydroxysophocarpine (6), (+)-12α-hydroxysophocarpine (7),

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