Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Mean HR and SBP of the mice orally administered 289, 413, 590 or 843 mg/kg ephedra alkaloids, 4,168 mg/kg ephedra non-alkaloids, or 800 mg/kg ephedra polysaccharides at 0 and 2 h after administration. *P<0.05 and **P<0.01, vs. 0 h. HR, heart rate; SBP, systolic blood pressure.
