| abstract |
A precess for preparation of timosaponin B II, which uses Chinese traditional drug Anemarrhena Rhizome or newly collected rhizoma or fibrous root of Anemarrhena Asphodeloides Bge. as raw material, and comprises isolation of tiBosaponin B II by one or more steps selected from solvent extraction, resin adsorption, polyamide chromatography, inversed phase column chromatography, column chromatography on Sephadex LH-20 and so on in combination with conventional drying method such as vacuum drying, freeze drying, spray drying and so on. Timosaponin B II obtained by the present process is of over 90% purity, and the process is simple and applicable and suitable for industrial production. |