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.
Herbal extract and design of the animal study. (A) The brief procedure of Cynanchum atratum extraction (CAE). HPLC-based fingerprinting of (B) 30% ethanol extract of Cynanchum atratum (CAE) and (C) paeonol (internal standard) were determined at a wavelength of 300 nm. A synthetic scheme presents the information regarding experimental design (D).
