Table 4 Vasorelaxant effect of Otostegia integrifolia extract on rat thoracic aorta pre-contracted with 80 mM KCl
Concentration (μg/mL) | % Relaxation by the extract in KCl precontracted aorta |
|---|---|
0.00 | 0.00 ± 0.00 |
6.25 | 1.25 ± 0.55 |
12.5 | 6.5 ± 1.98 |
25 | 21.0 ± 2.54*** |
50 | 44.5 ± 2.61*** |
100 | 76.3 ± 2.41*** |
125 | 100.00 ± 00*** |