DIN ISO 16649-1:2009-12
Superseded Standard
Historical

DIN ISO 16649-1:2009-12

Microbiology of food and animal feeding stuffs - Horizontal method for the enumeration of -glucuronidase-positive Escherichia coli - Part 1: Colony-count technique at 44 °C using membranes and 5-bromo-4-chloro-3-indolyl -D-glucuronide (ISO 16649-1:2001)
Most recent standard

Summary

This part of DIN ISO 16649 specifies a horizontal method for the enumeration of beta-glucuronidase-positive Escherichia coli. It uses a colony-count technique after resuscitation using membranes and incubation at 44 °C on a solid medium containing a chromogenis ingredient for detection of the enzyme ß-glucuronidase.

Technical characteristics

Publisher Deutsche Institut für Normung e.V. (DIN)
Publication Date 12/01/2009
Page Count 14
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