Endothelium-Independent Vasorelaxant Effects of Hydroalcoholic Extract from Nigella sativa Seed in Rat Aorta: The Roles of Ca2+ and K+ Channels
Figure 4
Effect of Nigella sativa seed extract (14 mg/mL) on endothelium-denuded rat aortic rings (−E) contracted with PE ( M), in the presence of diltiazem ( M) (−E + Dil), after ruthenium red ( M) (−E + Dil + RR) or heparin (50 mg/L) (−E + Dil + HP) pretreatment. Data are expressed as mean ± S.E.M. (). , compared to −En; compared to −E + Dil.