Fig. 6

Cytotoxicity of artichoke leaf extracts as determined by the PrestoBlue Assay in (a) Caco-2 cells, (b) HepG2 cells, and (c) CCD112CoN cells. Black column – “Strunjanska articoka”; grey column – “Violetto di Romagna”; white and grey column (in the middle) – “Romanesco”. The mean ± RSD of five replicates is presented. Asterisk denotes statistical significance of treated cells compared to control, * p < 0.05.