Research Article

Cinnamomi ramulus Ethanol Extract Exerts Vasorelaxation through Inhibition of Influx and Release in Rat Aorta

Figure 3

Change of vasodilative effect of CRE by Ca2+ channel inhibitor or activator. (a) Pretreatment of nifedipine or verapamil inhibited the vasodilative activity of CRE on PE-precontracted aortic rings. Results are expressed as percentage of the maximal tension induced by PE treatment. (b) CRE pretreatment inhibited the vasoconstriction of FPL64176. Representative trace of inhibitory effect of CRE is expressed as tension (g). Each experiment was tried at least three times. Data are shown as means ± SD. ** .
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(a)
513068.fig.003b
(b)