Patent ID: 7582316
Filing Date: 2009-09-01
Classification: A61K

Abstract:
1. A method of preparing a high yield Cissus quadrangularis keto-sterone composition from a C. quadrangularis plant comprising the steps of: washing, drying and grinding one or more roots of a adding a first solvent to the root powder of the adding a second solvent to the first mixture to provide a second mixture comprising the first mixture and the second mixture, wherein substantially one or more keto-sterones of the first mixture is insoluble in the second solvent and a quantity of one or more impurities of the first mixture is soluble in the second solvent, and wherein the second solvent is a substantially non-polar solvent; separating a quantity of substantially one or more keto-sterones from the quantity of the one or more impurities of the second mixture; and combining a quantity of the substantially one or more keto-sterones with at least one physiologically acceptable carrier or excipient to produce the high yield