What does “The specified micro-organisms must be detected with the indication reactions as described under “Testing of Products” mean?
A. Characteristic colonies are observed on the selective agar, and no such colonies are observed with a non-inoculated product, examined simultaneously as a negative blank. Q. What do I have to show to be able to proceed as stated: “If for a given product the antimicrobial activity with respect to a micro-organism for which testing is prescribed cannot be neutralised, then it is to be assumed that the inhibited microorganism will not be present in the product.” A. Once you demonstrate that you have tried all possible approaches, then you can refer to the escape clause.
