Research Article

Vascular Reactivity Concerning Orthosiphon stamineus Benth-Mediated Antihypertensive in Aortic Rings of Spontaneously Hypertensive Rats

Figure 2

ACh-induced relaxation responses of aortic rings precontracted with PE (1 µM) in control (■), losartan (▲), WOS (●), and WMOS (♦). Responses to ACh are expressed as percentage of relaxation. Values are mean ± SEM of 5 to 8 SHRs in each group. *Denotes compared to control.
456852.fig.002