Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Charles Duval0
Date of Patent
November 8, 2016
0Patent Application Number
138216610
Date Filed
September 2, 2011
0Patent Primary Examiner
Patent abstract
The invention relates to a method for preparing a refined extract of Centella asiatica comprising a mixture of madecassoside and terminoloside. The method comprises: passage over adsorbent resin; elution with an eluent comprising at least 30 wt. % of an alcoholic solvent; and a recrystallization step using a mixture of solvents, comprising water and an alcoholic solvent.
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