System to detect microbial contamination on surfaces

Applications

• Enterobacteriaceae

Packaging

Box of 20 units

This selective medium is used for the detection of Coliforms on surfaces. Gram positive micro-organisms are clearly inhibited by the bile salts and the crystal violet it contains. The colonies of bacteria which ferment lactose are pink in colour, their size depending on the number of bacteria which exist on the surface of the medium.

MICROBIOLOGICAL CONTROL

The following results were obtained from type cultures, after incubation at a temperature of 35 ± 2ºC and observed after 18-24 hours.

Escherichia coli ATCC 25922 ........................ Good growth / Colour of colony: Red (ppt)

Salmonella gallinarun NCTC 9240................... Good growth / Colour of colony: Colourless

Shigella flexneri ATCC 29903........................ Good growth / Colour of colony: Colourless

Staphylococcus aureus ATCC 25923............... Inhibited growth / Colour of colony: --

Streptococcus lactis ATCC 19435................... Inhibited growth / Colour of colony: --