Table 5.

Effect of leaf extract of A. alba using acetic acid-induced abdominal writhing test.

Group	Dose (mg/kg)	Writhing (mean ± SEM)	% of inhibition
Control	0.5% methylcellulose; 10 ml/kg	28.2 ± 0.89	—
Diclofenac sodium	10	8.5 ± 0.75	69.86∗∗∗
Methanol extract	200	17.2 ± 0.40	39.01∗∗
Methanol extract	400	12.2 ± 0.65	56.74∗∗∗
Methanol extract	500	10.10 ± 9.36	64.18∗∗∗

Results are demonstrated as mean ± SEM (n = 5), ^∗∗P < 0.01, ^∗∗∗P < 0.001, which considered significance compared with the control group (one-way ANOVA followed by Dunnett's test).