Fig. 2. (A) Western blot analysis of endothelial nitric oxide synthase (eNOS), and β-actin in corporal tissue. (B) Cyclic guanosine monophosphate (cGMP) concentration in corporal tissue. ^*Significant difference between the control and goji groups (p<0.05). ^aNormal control group (n=8), ^bgoji extract at 150 mg/kg/day group (n=8), and ^cgoji extract at 300 mg/kg/day group (n=8).