ω-Muricholic acid (ω-MCA) is a murine-specific secondary bile acid.[1],[2] It is formed via enzymatic conversion of β-MCA by a variety of intestinal microorganisms, including Clostridium, in rat and mouse gut.
Reference:
[1]. Eyssen, H., De Pauw, G., Stragier, J., et al. Cooperative formation of ω-muricholic acid by intestinal microorganisms. Appl. Environ. Microbiol. 45(1), 141-147 (1983).
[2]. Sacquet, E.C., Raibaud, P.M., Mejean, C., et al. Bacterial formation of ω-muricholic acid in rats. Appl. Environ. Microbiol. 37(6), 1127-1131 (1979).
















