Fig. 1From: 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 3Flow chart of Panax notoginseng (Burkill) F. H. Chen flower saponins (PNFS) extraction and determination. A Extraction flowchart of PNFS. B High-performance liquid chromatography (HPLC) analysis of PNFSBack to article page