Flow cytometric analysis of MGC-803 cells apoptosis induced by EAC-B. MGC-803 cells were treated with different concentration of EAC-B for 4 h, and then harvested, stained with Annexin V-FITC and propidium iodide (PI). (A) MGC-803 cytogram from flow cytometric analysis. MGC-803 cells were treated with EAC-B at 0 (control), 10, 20, 30, 40 and 50 μg/mL. (B) Percentage of Annexin V positive cells. n = 3, mean ± SD.