Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 11, 2008
Patent Application Number
11594545
Date Filed
November 8, 2006
Patent Primary Examiner
Patent abstract
Disclosed herein are a novel compound isolated from Ginkgo biloba and a method for isolating the novel compound from Ginkgo biloba. The method comprises: (1) extracting Ginkgo biloba with alcohol to obtain a crude extract; (2) subjecting the Ginkgo biloba crude extract to solvent fractionation using an organic solvent; (3) fractionating the solvent fractions by Sephadex column chromatography; and (4) fractionating the Sephadex fractions by silica gel column chromatography.
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