Table 2: Mean systolic blood pressure before and after administration of the test compounds.

Group Mean Blood Pressure ± SEM
0 min. 15 min. 30 min. 60 min. 90 min.
Standard 4.62 ± 0.87 1.98 ± 2.15 5.21 ± 1.12 12.49 ± 0.30 33.66 ± 1.18
4a -0.77 ± 3.71 12.22 ± 8.58 18.82 ± 8.74 19.04 ± 5.01 8.34 ± 11.08
4b 1.89 ± 1.52 7.95 ± 1.95 -1.16 ± 1.67 1.06 ± 1.89 2.84 ± 2.50
4c -1.04 ± 0.213 3.01 ± 2.6 3.37 ± 2.47 21.80 ± 1.28 26.10 ± 1.69
4d -0.50 ± 1.26 -2.86 ± 2.93 -0.91 ± 5.50 -1.37 ± 3.343 1.46 ± 4.04
4e -0.58 ± 0.61 16.07 ± 0.05 14.20 ± 1.43 1.10 ± 1.28 4.61 ± 1.06
4f -4.34 ± 5.59 -2.01 ± 5.01 -8.04 ± 8.74 -31.20 ± 14.77 -31.77 ± 12.93
4g 1.86 ± 0.80 18.06 ± 1.69 26.71 ± 1.17 28.03 ± 0.94 32.17 ± 0.45
4h 0.78 ± 0.60 2.57 ± 1.13 37.55 ± 1.89 47.31 ± 1.51 49.97 ± 2.05
4i 0.24 ± 0.59 5.75 ± 1.01 21.23 ± 1.02 37.68 ± 3.29 27.30 ± 1.45
4j -1.18 ± 5.21 9.69 ± 4.42 13.56 ± 5.03 12.51 ± 6.94 9.36 ± 9.16

4h showed significant activity at 30, 60 and 90 min. (P < 0.001)
4g showed significant activity at 15, 30 and 60 min (P<0.05, P<0.01)
4i showed significant activity at 30 and 60 min (P< 0.01)
4a showed significant activity at 15 and 30 min (P< 0.01)
4e showed significant activity at 15 and 30 min (P< 0.01)
Data was analyzed by one way ANOVA followed by Dunnett’s test.