Senna is an important medicinal plant and is used in many Ayurvedic formulations. Dianthraquinone glucosides are the main bioactive phytochemicals present in leaves and pods of senna. The extraction efficiency in terms of yield and composition of the extract of senna prepared using both conventional
A simple liquid chromatographic method was developed for the determination of sennosides B and A in leaves of Cassia angustifolia. These compounds were extracted from leaves with a mixture of methanol-water (70 + 30, v/v) after defatting with hexane. Analyte separation and quantitation were achieved
A radioimmunoassay for the quantitation of nanogram-amounts of sennoside B and related compounds in plant extracts is described. The assay makes use of [ (3)H]-8-glucosidorheinanthrone of high specific activity (5.2 Ci/mmol) whose synthesis is reported here. From this material, [ (3)H]-sennoside A
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