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Description
TCI E1546 Sennoside B is a dianthrone glycoside that forms a stereoisomeric pair with Sennoside A, differing in the configuration at the chiral centre linking the two anthrone units. Like its isomer, this compound originates from senna and rhubarb plants, and together the two sennosides constitute the principal group of chemical marker compounds found in these crude botanical drugs. In the laboratory, Sennoside B serves as a reference standard for quantitative analysis, as a study material in glycoscience, and as a benchmark in research on the metabolism of anthraquinone compounds. Its availability completes the analytical profile required for a comprehensive assessment of raw material quality in natural product medicines.
The characteristic that makes this compound a preferred choice lies in the distinctiveness of its stereochemistry. Because it differs from Sennoside A only in configuration, the separation of the two isomers becomes an excellent test of the sharpness of a chromatographic method; a method capable of resolving the pair with adequate resolution can be considered reliable. The polar nature conferred by its two glucose units gives it better solubility in mixtures of water and polar organic solvents, making it well suited to conventional liquid chromatography mobile phases. The ultraviolet absorption pattern of its anthraquinone chromophore provides dependable detection characteristics for routine analytical work.
In Indonesian laboratories, Sennoside B is used alongside Sennoside A wherever senna and rhubarb materials require evaluation. Herbal medicine quality control units, pharmaceutical raw material testing laboratories, and university research groups working on natural product chemistry rely on it to confirm identity and to support quantitative determination. Its role as a stereochemical counterpart also makes it valuable when analysts need to demonstrate that a chromatographic method performs adequately before applying it to routine sample batches.
Laboratory Applications
Quantitative reference standard for senna and rhubarb assays, providing the authentic marker needed to calculate sennoside content accurately in plant-derived raw materials.
Chromatographic method validation, where resolving Sennoside B from Sennoside A demonstrates that the separation system achieves the selectivity and resolution required for reliable routine use.
Glycoscience research material, offering a well-defined dianthrone diglycoside for studies on glycosidic linkage behaviour and the chemistry of naturally occurring sugar conjugates.
Anthraquinone metabolism studies, serving as a defined starting compound or comparison reference in investigations of how anthraquinone glycosides are transformed and characterised.
Identity confirmation in herbal raw material inspection, allowing analysts to match retention behaviour and ultraviolet absorption of sample peaks against an authentic marker substance.
Specifications
Brand: TCI (Tokyo Chemical Industry)
CAS Number: 128-57-4
Category: Chemistry > Chemical Biology > Glycoscience
Pack Sizes: available in standard TCI research and reference-standard pack sizes; please confirm the size required when ordering
Physical Form: solid reference material
Storage: keep in a cool, dark place in a tightly sealed container
Handling and Storage
Store Sennoside B in a cool, dark location, tightly closed in its original container, and protect it from light and moisture, since glycosides of this type may degrade on prolonged exposure. Amber glass vials or well-sealed original packaging are suitable; avoid transferring the material into containers that cannot be closed securely. Allow the container to reach room temperature before opening to prevent moisture condensation on the contents. Handle in a well-ventilated area using gloves, safety glasses, and a laboratory coat, and weigh the material using clean, dry spatulas to avoid cross-contamination. Prepare solutions fresh where possible and consult the manufacturer's safety data sheet before use.
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