Methods The biological effects of Apocynum venetum tea on cardiovascular system, including it's blood pressure reduction function, serum lipids decreasing effects, and anti-aging effects were studied.

The preparation method of the extract is simple and practical and the plant extract prepared by the invention has obvious effect of lowering blood pressure and good application safety.

ObjectiveA simple and rapid reversed-phase high performance liquid chromatographic method was developed for the AHP in Recombinant E. coli fermentation broth.