Abstract
High-speed counter-current chromatography (HSCCC) was successfully applied to the preparative separation and purification of lancifodilactone C from the crude extracts of Schisandra chinensis (Turcz.) Baill. Following an initial cleaning-up step on the AB-8 macroporous resin, a preparative high-speed counter-current chromatography (HSCCC) with a two-phase solvent system composed of Chloroform- n-Butyl alcohol- methanol -water(10:0.5:8:4，v/v) was used to isolate and separate lancifodilactone C from Schisandra Chinensis(Turcz.) Baill. A total of 101 mg lancifodilactone C with purities of 98.2% were obtained from 1000 mg crude extract in one-step elution and less than 1 h, and the structure identification was performed by UV, IR, MS,1H NMR and13C NMR.
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