An official website of the United States government
Here's how you know
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.
Scavenging effects of PGY, PPP, DB-PGY, PTC and BHT on superoxide radicals (O2□). Each sample was assayed in triplicate for each concentration. Experimental results were mean±SD of three parallel measurements. The SC50 (μg/mL) values were calculated from the dose–response curves.