Bioactive Components of Chinese Propolis Water Extract on Antitumor Activity and Quality Control

Figure 6

Effects of the seven components and crude CPWE on the production of reactive oxygen species (ROS) in MCF-7 cells. (a) Fluorescent micrographs obtained at 48 h. (b) Quantification of relative quantity of ROS in MCF-7 cells. Values represent the relative fluorescent intensity per cell determined by laser scanning confocal microscopy (, versus control, ).

(a)

(b)