Figure 1: Effect of crude stem bark extracts (prepared in different solvents) at 1% concentration on phagocytic activity. (PE: Petroleum Ether; To: Toluene, Ch: Chloroform, Et: Ethanol, W: Water). [Each value has been expressed as mean ± SD of five independent experiments. P values less than 0.01 (*P <0.01) and 0.05 ($P <0.05) were considered to be statistically significant].