Original Article

Antinociceptive Activity of Trichilia catigua Hydroalcoholic Extract: New Evidence on Its Dopaminergic Effects

Table 2

Effect of T. catigua extract on Haloperidol (1 mg kg−1, i.p.)-induced catalepsy

TreatmentsCatalepsy time (s)

PBS PBS1.8     0.8
PBS Haloperidol58.4     13.75***
PBS   T. catigua (200 mg kg−1)2.0     0.6
PBS   T. catigua (400 mg kg−1)2.2     0.6
T. catigua (200 mg kg−1) Haloperidol31.4     2.4*,b
T. catigua (400 mg kg−1) Haloperidol13.3     3.7c,$

Each group represents the mean     SEM of 10 animals.
*** , * compared with PBS; b compared with Haloperidol; $ compared with T. catigua (200 mg kg−1) Haloperidol.