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.
(A) Singlet oxygen scavenging, (B) DPPH radical scavenging, (C) hydroxyl radical scavenging, and (D) superoxide anion scavenging activities of all-E- and Z-isomer-rich astaxanthin. The error bars show standard deviations across three independent tests. Asterisks (*) indicate a statistically significant difference between carotenoids rich in all-E-isomers and Z-isomers (*p < 0.05, **p < 0.01, Welch’s t-test).
