Figure 3.
Effects of solvent type (A), solvent concentration (B), extraction temperature (C), extraction time (D) and solvent-to-solid ratio (E) on the rhein content of the extracts.
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.