Figure 2.
Quenching of DPPH radicals by aqueous and ethanolic extracts from the leaves of R. echinus. Data are expressed as mean ± SEM of n = 4 independent experiments.
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.