Effect of different concentrations of ethanolic extract of Acacia modesta for different time intervals on paw edema induced by Carrageenan. A showing treatment at 1st h, B is at 2nd h, C at 3rd h, D at 4th h and E at 5th h. ***, **, * showing P≤0.05, P≤ 0.01, P≤ 0.001.