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Application filed by Albert Dr Redlich, Julius WladikafiledCriticalAlbert Dr Redlich
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Publication of AT43099BpublicationCriticalpatent/AT43099B/en
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Claims (1)
PATENT. ANSPRÜCHE :
1. Verfahren zur Behandlung von Quebrachoextrakten unter Anwendung von Alkali, dadurch gekennzeichnet, dass der heisse Extrakt unmittelbar mit der zur Lösung der in ihm enthaltenen, in der Kälte unlöslichen Stoffe notwendigen Menge eines Alkalis, wie Soda und dergl., unter Luftabschluss erhitzt, hierauf mit einer beliebigen Säure in, dem zugefügten Alkali äquivalenter Menge versetzt und schliesslich abkühlen gelassen wird, worauf man die klare Brühe von den ausgeschiedenen Fremdstoffen trennte
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PATENT. EXPECTATIONS :
1. A method for treating quebracho extracts using alkali, characterized in that the hot extract is heated immediately with the amount of an alkali such as soda and the like necessary to dissolve the substances it contains, such as soda and the like, in the absence of air with any acid in an amount equivalent to the added alkali and finally left to cool, whereupon the clear broth is separated from the foreign substances which have separated out
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AT43099D1909-06-091909-06-09
Method of treating quebracho extracts using alkali.
AT43099B
(en)
Process for the preparation of an effective water-soluble glucoside contained in the bark of Cascara sagrada (Rhamnus Purshiana), with simultaneous recovery of the emodins present.