Figure 2

Continuous treatment effect of L- tryptophan on systolic blood pressure (A) and plasma nitric oxide (NO) level (B) in SHRSP. N = 5 for all groups. Values are ME ± SEM. *P < 0.05, ^†P < 0.01, compared with the control group. C, control diet; LT200, diet supplemented with 200 mg·kg^-1 L- tryptophan; LT1000, diet supplemented with 1000 mg·kg^-1 L- tryptophan.