. Free-radical-scavenging activities of the solvent extracts of Microcos paniculata
Scavenging activities of the solvent extracts from M. paniculata towards DPPH, ABTS and hydroxyl radicals are shown in Figure 1, respectively. Figure 1 illustrates that the solvent extracts from the stems of M. paniculata showed a concentration-dependent DPPH radical scavenging activity. The DPPH radical scavenging effect of the solvent extracts at 500 μg/mL decreased as follows: EtOAc > n-BuOH > water > petroleum ether (P.E.), and were 94.19%, 90.50%, 82.85% and 33.48%, respectively (Figure 1A). The results of scavenging activities of the solvent extracts towards ABTS radical were in agreement with which obtained by the DPPH method. It is obvious that a significant decrease in the concentration