Fig. 5From: Beneficial effects of Panax notoginseng (Burkill) F. H. Chen flower saponins in rats with metabolic hypertension by inhibiting the activation of the renin–angiotensin–aldosterone system through complement 3Effect of PNFS on vascular endothelium of MH rats. A Changes in endothelin 1 (ET-1). B Changes in thromboxane B2 (TXB2). C Changes in nitric oxide (NO). D Changes in prostaglandin I2 (PGI2). E Representative photomicrographs of aorta tissue sections stained with H&E (40 ×, 400×). The black arrows represent tissue lesions. #P < 0.05, ##P < 0.01 vs. the normal control group; *P < 0.05, **P < 0.01 vs. the model control group, n = 8Back to article page