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.
Effect of various nitrogen sources on the cell growth and CoQ10 production. Cells were cultivated in the test tube at 28°C for 72 h. The nitrogen sources included yeast extract (1), peptone (2), tryptone (3), soytone (4), ammonium sulfate (5), and CSP (6). Data are shown as mean ± SD (n = 3). Means with the same letter are not significantly different (P < 0.05).
