Fig. 1
Schematic structure of Gallic acid (GA) chemical structure. The cell viability of a HDF fibroblast, b MCF10A normal breast c A375 melanoma and d MDA-MB-231 cells treated with different concentrations of gallic acid in dark condition. The arrows show the IC50. The results are expressed as mean ± SD (n = 3), *P < 0.05 compared with control (untreated) group