Fraser Broth

LAB 164

Description

Developed as a modification of UVM II medium, Fraser broth secondary enrichment broth for the isolation of Listeria spp., an similar to Palcam broth in that it contains aesculin to indicate presence of a potential Listeria isolate. It also contains lith chloride in an attempt to suppress the growth of enterococci in medium (as does Palcam). Fraser broth may also be used as a prim enrichment medium by incorporating 1/2 strength supplement the broth base (X164 or X564).