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 antioxidant effects of kukoamine A and B in various assays: (A) Cu2+-reducing assay; (B) DPPH•-scavenging assay; (C) •O2−-scavenging assay; (D) •OH-scavenging assay. (Each value is expressed as the mean ± SD, n = 3; Trolox was the positive control.).
