Figure 1: Percent antinociceptive effect of extract/fractions (A) crude extract, (B) hexane, (C) chloroform and (D) ethyl acetate fraction of Caralluma tuberculata in acetic acid induced writhing test. Data presented as mean ± S.E.M, (n=6) compared with control. Ibuprofen (150 mg/kg, i.p.) produced 81% activity.