Cysteine Protease Inhibitors from the Methanol Extract of the Root Bark of

Figure 2: Inhibitory activity of protease inhibitors fraction of S. longepedunculata on β-hematin polymerization. Values are means ± SD (n = 3), CPI = Cysteine Protease Inhibitors, IC50 = Concentration of CPI that produced 50% inhibition of β-hematin polymerization.