Abstract

A method is described that separates taxane compounds from crude extracts under either reversed- or normal-phase conditions using a Zorbax-based bonded material, “SW-Taxane”. A crude plant extract of Taxus canadensis and five standard taxane compounds were separated. The method provides high selectivity and recoveries of compounds from a taxol extract in the isocratic mode. Under normal-phase conditions, the packing material has shown significantly greater selectivity of taxol-related compounds than bare silica and most other commercially available silica-based bonded materials. Reversed-phase separations on the column, are also superior compared to typical C 8 separations. In addition, a loading study demonstrates that this phase has a high taxol saturation capacity due to its large surface area.

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