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sennosides b/ruibarbre
L'enllaç es desa al porta-retalls
8 resultats
[Analysis on changes of purgative biopotency in different processed products of rhubarb].
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OBJECTIVE
To determine the difference on purgative biopotency of different processed products of rhubarb and compare rhubarb before and after preparation.
METHODS
The prime biopotency of rhubarb reference substance was determined by comparing with the control substance of sennoside B using rat
Enzyme-linked immunosorbent assay for total sennosides using anti-sennside A and anti-sennoside B monoclonal antibodies.
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Total sennosides concentration is a very important factor when rhubarb and senna will be used as crude drugs. However, one-step analytical technique for total sennosides has not been reported except HPLC. An enzyme-linked immunosorbent assay (ELISA) for total sennosides concentration by using the
Development of eastern blotting technique for sennoside A and sennoside B using anti-sennoside A and anti-sennoside B monoclonal antibodies.
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BACKGROUND
Rhubarb, senna and sennoside-containing preparations are currently widely employed as purgatives. The major active components of these medications are sennoside A (SA) and sennoside B (SB).
OBJECTIVE
To develop an eastern blotting technique for the specific visualisation and easy
Simple and rapid analysis of sennoside A and sennoside B contained in crude drugs and crude drug products by solid-phase extraction and high-performance liquid chromatography.
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The sennoside A (SA) and sennoside B (SB) contents of various samples of crude drugs were determined using solid-phase extraction (SPE) and HPLC. The samples examined were crude drugs (senna leaf, senna pods, and rhubarb), conventional crude drug products, and Kampo formulations. The sample solution
Anti-amebic effects of Chinese rhubarb (Rheum palmatum) leaves' extract, the anthraquinone rhein and related compounds.
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Entamoeba histolytica infects 50 million people worldwide and causes 55 thousand fatalities every year. Current anti-amebic drugs (e.g. paromomycin) work either at the level of the intestinal lumen (where trophozoites proliferate via cell divisions) or on the invasive trophozoites that have
Production of monoclonal antibodies against a major purgative component, sennoside B, their characterization and use in ELISA.
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For immunization, sennoside B was conjugated with bovine serum albumin. The hapten density in the antigen conjugate was determined to be 3 mol mol(-1) protein by matrix-assisted laser desorption-ionization TOF mass spectrometry. A hybridoma secreting monoclonal antibody against sennoside B was
Simultaneous determination of anthraquinones in rhubarb by high-performance liquid chromatography and capillary electrophoresis.
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High-performance liquid chromatography (HPLC) and capillary electrophoresis (CE) were compared to simultaneously determine and separate 11 anthraquinones from rhubarb, including emodin, chrysophanol, rhein and their glucosides, aloe-emodin, sennoside A, and sennoside B. A UV-diode array detector
[Study on difference of functional components content of different Rheum tanguticum variation type].
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Rheum tanguticum from the same area was divided into 8 types of variation according to the plant morphology, content differences of free anthraquinones, combined anthraquinones, double anthrone were studied. The results showed that the functional components of different variation types were
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