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.
Specific light energy consumption for astaxanthin production under different initial phosphate concentrations and stepwise light stress (SS) or continuous light stress (CS). x denotes the concentration of phosphate in standard Bold’s Basal Medium.
