A rapid colorimetric test to differentiate Listeria monocytogenes from other Listeria species via detection of D-alanyl aminopeptidase (DALAase). Identification of Listeria monocytogenes relies on the lack of the enzyme D-alanyl aminopeptidase.The test has been designed for the differentiation of presumptive Listeria species that have been isolated from selective media and plated onto a secondary medium for further biochemical testing.
- Results in 6 minutes of testing suspect colonies
- 60 tests/kit
- Non-carcinogenic substrate
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