Bioactive Polyphenols from the Methanol Extract of Cnicus arvensis (L.) Roth Demonstrated Antinociceptive and Central Nervous System Depressant Activities in Mice
Table 3
Effects of Cnicus arvensis extract on acetic acid induced writhing in mice.
Animal group
Treatment
Writhing (mean ± SEM)
% inhibition
Group I
1% tween solution in water
30.5 ± 0.43
0
Group II
Diclofenac Na (25 mg/kg bd. wt.)
7.67 ± 1.13*
74.86
Group III
Plant extract (100 mg/kg bd. wt.)
17.33 ± 3.64*
43.17
Group IV
Plant extract (200 mg/kg bd. wt.)
1.50 ± 0.76*
95.08
bd. wt. = body weight; SEM = standard error of mean; ; *.