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.
The free radical scavenging capacities of green tea powder (GTP), ascorbic acid (vitamin C, Vit. C), and ethylenediaminetetraacetic acid (EDTA). (a) 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity, (b) reducing power, and (c) ferric ion chelating activity of control (EDTA or Vit. C, ■) and GTP (◆). Data are expressed as the mean ± SD (n = 3).
