Ethnopharmacological Evaluation of Breu Essential Oils from Protium Species Administered by Inhalation

Table 3

Effects of formulations on hot plate test in mice.

Treatment	Latency period (s)
	5 min	30 min
Compressed air	7.3 ± 2.2	6.5 ± 1.2
Vehicle	4.8 ± 0.7	4.9 ± 0.9
Formulation A	5.0 ± 1.6	5.7 ± 2.0
Formulation B	3.9 ± 0.5	3.9 ± 0.6
Formulation C	4.7 ± 1.1	4.8 ± 1.3
Formulation D	7.6 ± 3.0	8.6 ± 4.4
Formulation E	4.8 ± 0.1	6.8 ± 1.5

Each value is presented as the mean ± SEM .