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.
Survival of log-phase cells of L. acidophilus NCFM and the frc mutant after challenge with MRS broth adjusted to pH 4.0, 3.5, and 3.0 with HCl, lactic acid, or oxalic acid for 2 h. The values are the averages for six separate incubations. The error bars indicate standard deviations.
