Title: Cicek SS, et al. Development of a fast and convenient method for the isolation of triterpene saponins from Actaea racemosa by high-speed countercurrent chromatography coupled with evaporative light scattering detection. Planta Med. 2010 Mar;76(5):467-73.
Title: Sun L, et al. New triterpene diglycosides from the rhizome of Cimifuga foetida. Molecules. 2008 Aug 13;13(8):1712-21.