ROTI®Plate90 BEA

Sterile ready-to-use culture media plates for microbiological analysis.

ROTI^®Plate90 are prepared culture media plates with a diameter of 90 mm. They are thus adapted to the size of membrane filters for assaying of low-germ fluids by membrane filtration method. They are also applicable for the microbiological analysis of samples in general.

The germs of expected low-germ liquid samples are concentrated by membrane filtration. Afterwards, the membrane is placed on top of the medium and incubated. Using a membrane with a grid helps counting the resulting colonies.
Our products are tested and approved exclusively for research and development.

Samples which are expected to have a higher microbiological burden are prepared in a serial dilution. Afterwards, every dilution step is plated and incubated. The number of grown colonies is noted as result.

Bile Esculin Azide Agar is a modification of Bile Esculin Agar with a reduced bile concentration and the addition of sodium azide.
The formulation complies with ISO standard 7899-2 for the second step of confirmation and enumeration of enterococci in water by the membrane filtration method.
Colonies selected on Slanetz-Bartley agar (1NA6.1) must be confirmed by a short incubation on the BEA, by esculin hydrolysis.