Fig. 2From: Preclinical evaluation of safety and potential of black hellebore extracts for cancer treatmentHPLC-DAD of an aqueous fermented Helleborus niger extract. a: HPLC-DAD chromatogram (λ = 261 nm) of an aqueous fermented Helleborus niger extract (1:20 dilution in water) and UV/Vis spectrum of protoanemonin. b: HPLC-DAD chromatogram (λ = 210 nm) of an aqueous fermented Helleborus niger extract and exemplary UV/Vis spectrum of a saponin. * SaponinsBack to article page