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Two antimalaria alkaloids, febrifugine and isofebrifugine, were successfully separated from total alkaloids of Dichroa febrifuga roots by one-step preparative countercurrent chromatography with a selected biphasic solvent system. The selected biphasic… Click to show full abstract
Two antimalaria alkaloids, febrifugine and isofebrifugine, were successfully separated from total alkaloids of Dichroa febrifuga roots by one-step preparative countercurrent chromatography with a selected biphasic solvent system. The selected biphasic solvent system was composed of chloroform : methanol : water (2:1:1, v/v) according to partition performance of the two target components. Selection of biphasic solvent system was conducted by high performance liquid chromatography combined with high performance thin layer chromatography, which greatly assisted the screening procedure for biphasic solvent system. Totally 50 mg of total alkaloid was separated by one-step preparative countercurrent chromatography, yielding 12 mg of febrifugine and 9 mg of isofebrifugine with more than 98.0% purity, respectively. This article is protected by copyright. All rights reserved.
Journal Title: Journal of separation science
Year Published: 2021
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