An AOAC®-RI method [Certificate # 030601], which can detect the presence of indicator Listeria and provides quantitative results of Listeria species from environmental samples in only 29±2 hours with no enrichment step required.

A sample-ready culture medium containing selective agents, nutrients, a cold water-soluble gelling agent and a chromogenic indicator that facilitates the detection of the majority of environmental Listeria. Designed to analyze environmental samples and help increase the efficiency of monitoring plant sanitation.