New Selective Medium for Improved Detection of Salmonella Species
go back to news archives | Thermo Scientific has introduced a new, highly selective culture medium to the Thermo Scientific range of products for the detection of Salmonella species. Thermo Scientific Xylose Lactose Tergitol 4 (XLT-4) Agar is ideal for the isolation and identification of salmonellae from food and environmental samples. |
The detection of Salmonella species is often complicated by the presence of background flora and other Enterobacteriaceae on an agar plate. The presence of the selective agent, Tergitol 4, in XLT-4 Agar inhibits many organisms that can be problematic on other plating media. In addition, biochemical and pH changes within the medium allow Salmonella spp. (black colonies) to be differentiated from organisms, such as E. coli (yellow colonies) and Shigella spp. (red colonies). |
Source : Thermo Scientific. View archived contact details
Posted on October 24, 2005
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