Research Article

Vasorelaxant Effect of Osterici Radix Ethanol Extract on Rat Aortic Rings

Figure 4

Inhibitory responses of EOK (0.3 mg/mL) preincubation on phenylephrine- (PE-, 1 μM)- or caffeine- (5 mM) induced contractions of rat aortic rings. Values are expressed as mean ± SEM ( ). Control groups were not treated with EOK. versus control.
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