Involvement of Potassium Channels in Vasorelaxant Effect Induced by Valeriana prionophylla Standl. in Rat Mesenteric Artery
Figure 3
High K+ extracellular decreased relaxant effect of VPR. Concentration-response curves showing the relaxant effect of VPR (0.01–300 μg/mL, cumulatively) in rings denuded endothelium contracted with Phe or KCl 80 mM. Values are expressed as mean ± SEM, .
