Figure 1. Dose response curves of active crude extracts derived from the B151, B100, B92, and Ys102 strains, respectively after 48 hrs of incubation against a. cancer cell lines: HepG2(1), MCF-7(2), HeLa(3) and U937(4); b. Vero cells and c. PBMC. Results are means ± SD from three independent experiments.