Table 2.

Effect of Solvent Fractions of V. auriculifera in Acetic Acid-Induced Writhing Test

Group	No of Writhing ±SEM	% Analgesic Activity
TW	61.66 ± 1.42	–
AQF100 mg/kg	40.83 ± 1.30a	33.78
AQF200 mg/kg	34.66 ± 0.98a	43.78
AQF400 mg/kg	30.16 ± 1.07a	51.08
EAF100 mg/kg	44.33 ± 0.42a	28.1
EAF200 mg/kg	37.33 ± 1.28a	39.45
EAF400 mg/kg	34.50 ± 1.56a	44.04
MEF100 mg/kg	37.16 ± 1.42ac	39.73
MEF200 mg/kg	32.50 ± 0.92a	47.29
MEF400 mg/kg	27.00 ± 0.93ad	56.21
ASA	24.16 ± 1.04abdef	60.81

Notes: ^aAgainst negative control, ^bagainst AQF 400 mg/kg, ^cagainst EAF 100 mg/kg, ^dagainst EAF 400 mg/kg, ^eagainst MEF 100 mg/kg, ^fagainst MEF 200 mg/kg; TW, 2% Tween 80 10mL/kg; ASA, Acetylsalicylic acid 150mg/kg; p < 0.05.

Abbreviations: AQF, aqueous fraction; EAF, ethyl acetate fraction; MEF, methanol fraction.