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Tanabe Seiyaku Co Ltd
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Tanabe Seiyaku Co Ltd
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Publication date
Application filed by Tanabe Seiyaku Co LtdfiledCriticalTanabe Seiyaku Co Ltd
Priority to JP3040576ApriorityCriticalpatent/JPS52114011A/en
Publication of JPS52114011ApublicationCriticalpatent/JPS52114011A/en
PURPOSE: To extract water-soluble salt of sennoside, which is a cathartic component of Senna leaves, by treating water-extract of Senna leaves, a kind of crude drugs, with specific hydrophilic organic solvents, and to prepare a free acid of high purity its salt from the water-soluble salt.
COPYRIGHT: (C)1977,JPO&Japio
JP3040576A1976-03-191976-03-19Preparation of sennoside or its salt
PendingJPS52114011A
(en)