Microbiology of food and animal feeding stuffs

Horizontal method for the enumeration β-glucuronidase-positive Escherichia coli

ISO 16649-1:2001 COLONY–COUNT TECHNIQUE AT 44°C USING MEMBRANES AND 5-bromo-4-chloro-3-indolyl- β-D-glucoronic acid.
ISO 16649-2:2001 COLONY–COUNT TECHNIQUE AT 44°C USING 5-bromo-4-chloro-3-indolyl- β-D-glucoronic acid.
ISO/TS 16649-3:2005 MOST PROBABLE NUMBER TECHNIQUE USING 5-bromo-4-chloro-3-indolyl- β-D-glucoronide.

Prepare the test sample in accordance with the specific International Standard appropriate to the product concerned.

 

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