Table 2.

Summary of Locomotor Activity Data.

Male Rats
Group	Dose mg/kg bw/day		Total distance travelled (m)	Average speed (m/s)	Absolute turn angle (°)	Rotations of the animal's body	Absolute head turn angle (°)
Vehicle Control − (0.5% (w/v) Carboxymethyl Cellulose, aqueous)
G1 & G1 (R)	0	Mean	8.784	0.015	6930	6.8	10040
		± S. D.	5.201	0.009	4409	4.9	4882
		n	15	15	15	15	15
Test Item: Citrus aurantium Extract 50% p-Synephrine
G2	100	Mean	11.355	0.019	8332	8.0	10306
		± S. D.	4.820	0.008	2528	4.2	4294
		n	10	10	10	10	10
G3	300	Mean	11.224	0.019	11111	9.4	15295S+
		± S. D.	2.782	0.005	4160	3.3	6098
		n	10	10	10	10	10
G4 & G4 (R)	1000	Mean	8.925	0.015	8640	7.5	12580
		± S. D.	6.591	0.011	5030	5.8	5489
		n	15	15	15	15	15
S+/S-: Group mean value is significantly (P < 0.05) higher/lower than the respective value of the vehicle control group. Animals were assessed on days 87 and 88. The duration of the test was 600 s.

Female Rats
Group	Dose mg/kg bw/day		Total distance travelled (m)	Average speed (m/s)	Absolute turn angle (°)	Rotations of the animal's body	Absolute head turn angle (°)
Vehicle Control − (0.5% (w/v) Carboxymethyl Cellulose, aqueous)
G1 & G1 (R)	0	Mean	17.928	0.030	16103	15.7	20126
		± S. D.	3.716	0.006	2638	3.8	1888
		n	15	15	15	15	15
Test Item: Citrus aurantium Extract 50% p-Synephrine
G2	100	Mean	18.849	0.031	15821	15.4	20266
		± S. D.	1.506	0.002	2345	3.0	1081
		n	10	10	10	10	10
G3	300	Mean	17.441	0.029	15796	12.6	19290
		± S. D.	2.460	0.004	5978	2.0	1401
		n	10	10	10	10	10
G4 & G4 (R)	1000	Mean	18.891	0.032	16646	16.5	21225
		± S. D.	5.601	0.009	3117	4.7	2612
		n	15	15	15	15	15
Group mean values of treated groups do not differ significantly (P > 0.05) from those of the respective values of the vehicle control group. Animals were assessed on days 87 and 88. The duration of the test was 600 s.