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Table 4 Vasorelaxant effect of Otostegia integrifolia extract on rat thoracic aorta pre-contracted with 80 mM KCl

From: Methanol (80%) leaf extract of Otostegia integrifolia Benth (Lamiaceae) lowers blood pressure in rats through interference with calcium conductance

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***
  1. ***p < 0.001 (n = 10. Results are expressed as mean percentage contraction or relaxation ± SEM)
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