CRM-AQUA total count 22°C versus 36°C on YEA • BiosistoStandard

CRM-AQUA contains 3 different strains each with their growth optimums.
The certificate of Analysis shows two total count method property values namely for 36°C and 22°C incubation. There is a difference in concentration is this two incubation temperatures that is caused by Pseudomonas fluorescens. This strain is not able to grow at 36°C. At 22°C Pseudomonas fluorescens will grow perfectly.

The concentration at 22°C is a sum of concentration of Escherichia coli, Enterococcus faecalis and Pseudomonas fluorescens.
The concentration at 36°C is the sum of the concentration of Escherichia coli and Enterococcus faecalis.

Was this article helpful?

We will respond to your message by email as soon as possible.
Comments specificly relevant for this article and other visitors will be published in this section. Questions that also apply to other articles are published in the F.A.Q. section.

Comment on this article Cancel

Biosisto - Quality in Control

Microbiological laboratories should be able to receive reliable analysis without much overhead. A microbiological analyst must be able to focus on the primary activities, for example analysis of the sample material. Quality control should support the analyst in a logical and simple manner. By using modern information technology, process control and quality assurance are designed smarter and more effective.

Biosisto Services