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Stran 1 iz 118 rezultatov
One-pot, three-step cascade synthesis of D-danshensu using engineered Escherichia coli whole cells.
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Prijava / prijava
D-danshensu (D-DSS), extracted from the plant Salvia miltiorrhiza (Danshen), is widely used to treat cardiovascular and cerebrovascular diseases. Here we engineered Escherichia coli strains to produce D-DSS from catechol, pyruvate and ammonia by one-pot biotransformation. Tyrosin-phenol lyase (TPL),
High-Throughput Determination of Sodium Danshensu in Beagle Dogs by the LCMS/MS Method, Employing Liquid-Liquid Extraction Based on 96-Well Format Plates.
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Sodium Danshensu (sodium d-(+)-β-(3,4-dihydroxyphenyl) lactate), one of the water-soluble ingredients in Salvia miltiorrhiza, exhibits potent relaxation of the coronary artery and anticoagulation effection. A high-throughput, rapid, and sensitive method combining liquid chromatography with
Determination of Danshensu, a major active compound of Radix Salvia miltiorrhiza in dog plasma by HPLC with fluorescence detection.
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A simple and sensitive high performance liquid chromatography method has been developed for the determination of Danshensu (3, 4-dihydroxyphenyllactic acid) in dog plasma. Plasma samples were extracted with ethyl acetate. Analysis of the extracts was performed on a reversed-phase column with an
Beneficial effects of danshensu, an active component of Salvia miltiorrhiza, on homocysteine metabolism via the trans-sulphuration pathway in rats.
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OBJECTIVE
Elevated plasma total homocysteine (tHcy) level has been established as an independent risk factor for cardiovascular diseases. Danshensu, an active ingredient of Salvia miltiorrhiza, shows wide cardiovascular benefit. However, in terms of its own methylation, danshensu could elevate tHcy
Danshensu is the major marker for the antioxidant and vasorelaxation effects of Danshen (Salvia miltiorrhiza) water-extracts produced by different heat water-extractions.
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Some of the major components of Danshen (Salvia miltiorrhiza), a widely used Chinese herbal medicine rich in phenolic acids, are thermosensitive and may degrade to other phenolic acids during extractions with heating. The chemical profiles of Danshen water-extract may vary with different heat water
Coupling continuous ultrasound-assisted extraction with ultrasonic probe, solid-phase extraction and high-performance liquid chromatography for the determination of sodium Danshensu and four tanshinones in Salvia miltiorrhiza bunge.
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A dynamic continuous ultrasound-assisted extraction with high intensity ultrasonic probe (CUAE-HIUP) combined with solid-phase extraction (SPE) for preconcentration and clean-up of the extract prior to high-performance liquid chromatography (HPLC) determination of the main biological active
[Determination of danshensu in rat serum after oral administer compound Salvia recipe].
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Prijava / prijava
OBJECTIVE
To investigate the absorption of the water soluble components of Salvia miltiorrhiza and establish methods to determine Danshensu in rat serum after ig compound Salvia recipe.
METHODS
Used liquid-liquid extraction to deal with the serum, then determined the sample by high-performance
[Comparative pharmacokinetic study of sodium Danshensu and Salvia miltiorrhiza injection in rat].
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Prijava / prijava
OBJECTIVE
To develop a HPLC method for determination of the concentration of Danshensu in rat plasma and undertake comparative pharmacokinetic study of sodium danshensu and Salvia miltiorrhiza injection in rat as well as to assess the effect of other components of Salvia miltiorrhiza injection on
Pharmacokinetics of salvianolic acid B, rosmarinic acid and Danshensu in rat after pulmonary administration of Salvia miltiorrhiza polyphenolic acid solution.
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A sensitive and accurate LC-MS/MS method was established for quantifying salvianolic acid B (Sal B), rosmarinic acid (Ros A) and Danshensu (DA) in rat plasma. Salvia miltiorrhiza polyphenolic acid (SMPA), active water-soluble ingredients isolated and purified from Salvia miltiorrhiza Bge included
[Tissue distribution in mice of danshensu from sodium danshensu and Salvia miltiorrhiza injection].
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Prijava / prijava
OBJECTIVE
To determine the concentration in mice of danshensu from sodium danshensu and Salvia miltiorrhiza injection and undertake comparative study of them as well as to assess the effect of other components of S. miltiorrhiza injection on the tissue distribution of danshensu.
METHODS
Mice
[Optimizing process of four-effect countercurrent extraction of danshensu from Salvia miltiorrhiza].
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Prijava / prijava
OBJECTIVE
To investigate the process factors and characteristic of four-effect countercurrent extracting process of Danshensu from Salvia miltiorrhiza. Optimizing the parameters by using regression analysis and principal components analysis (PCA).
METHODS
Applying the orthogonal design method to
Danshensu inhibits acetaldehyde-induced proliferation and activation of hepatic stellate cell-T6.
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OBJECTIVE
To evaluate the effects of danshensu, the main component of the extract of Chinese medicine Salvia miltiorrhiza, on the proliferation and activation of hepatic stellate cells (HSCs).
METHODS
The activation of HSC-T6 was induced by exposure to acetaldehyde. In the meantime, different doses
Identification of a major metabolite of danshensu in rat urine and simultaneous determination of danshensu and its metabolite in plasma: application to a pharmacokinetic study in rats.
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Danshensu, as the effective component of Salvia miltiorrhiza (Danshen), has been widely used in clinical studies for treatment of cardiovascular diseases in China. A new metabolite, 4-hydroxy-3-methoxyphenyllactic acid was isolated from the urine of rats, and its chemical structure was identified by
Using Coexpression Protein Interaction Network Analysis to Identify Mechanisms of Danshensu Affecting Patients with Coronary Heart Disease.
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Prijava / prijava
Salvia miltiorrhiza, known as Danshen, has attracted worldwide interest for its substantial effects on coronary heart disease (CHD). Danshensu (DSS) is one of the main active ingredients of Danshen on CHD. Although it has been proven to have a good clinical effect on CHD, the action mechanisms
Using neural networks to determine the contribution of danshensu to its multiple cardiovascular activities in acute myocardial infarction rats.
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BACKGROUND
Danshensu is an active water-soluble component from Salvia Miltiorrhiza, which has been demonstrated holding multiple mechanisms for the regulation of cardiovascular system. However, the relative contribution of danshensu to its multiple cardiovascular activities remains largely
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