Figure 2: Cytotoxic effect of P. hysterophorus leaf extracts against different cancer cell lines using SRB assay. Percentage growth inhibition of DU-145 (prostate), MCF-7 (breast), and THP-1 (leukemia) cancer cell lines was assayed at 100 μg/mL concentration of extracts as described in Section 2. Abbreviations: HX-hexane, BZ-benzene, CH-chloroform, EA-ethyl acetate, AC-acetone, ET-ethanol, and AQ-water. Data represent mean ± SD of three replicates ( ).