Evaluation of a Propolis Water Extract Using a Reliable RP-HPLC Methodology and In Vitro and In Vivo Efficacy and Safety Characterisation
Figure 1
Chromatographic profiles of the five phenolic compounds (a) including the internal standard gallic acid: (1) internal standard; (2) caffeic acid; (3) p-coumaric acid; (4) cinnamic acid; (5) aromadendrin, and (6) artepillin C; (b) propolis water extract, and finally, (c) propolis ethanolic extract.
