141683.fig.002a
(a)
141683.fig.002b
(b)
Figure 2: Cell viability of H9c2 cells after exposure to (a) A. biennis and (b) A. ciniformis Cells were treated with different concentration of extracts for 24 h. The cell viability was determined by MTT assay. Data are expressed as the mean SEM of three separate experiments ( ).