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>BSI Standards >07 MATHEMATICS. NATURAL SCIENCES>07.100 Microbiology>07.100.30 Food microbiology>BS ISO 16649-2:2001 Microbiology of food and animal feeding stuffs. Horizontal method for the enumeration of β-glucuronidase-positive Escherichia coli Colony-count technique at 44°C using 5-bromo-4-chloro-3-indolyl-β-D-glucuronide
immediate downloadReleased: 2001-10-23
BS ISO 16649-2:2001 Microbiology of food and animal feeding stuffs. Horizontal method for the enumeration of β-glucuronidase-positive Escherichia coli Colony-count technique at 44°C using 5-bromo-4-chloro-3-indolyl-β-D-glucuronide

BS ISO 16649-2:2001

Microbiology of food and animal feeding stuffs. Horizontal method for the enumeration of β-glucuronidase-positive Escherichia coli Colony-count technique at 44°C using 5-bromo-4-chloro-3-indolyl-β-D-glucuronide

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Standard number:BS ISO 16649-2:2001
Pages:16
Released:2001-10-23
ISBN:0 580 38593 0
Status:Standard
DESCRIPTION

BS ISO 16649-2:2001


This standard BS ISO 16649-2:2001 Microbiology of food and animal feeding stuffs. Horizontal method for the enumeration of β-glucuronidase-positive Escherichia coli is classified in these ICS categories:
  • 07.100.30 Food microbiology

This part of ISO 16649 specifies a horizontal method for the enumeration of β-glucuronidase-positive Escherichia coli in products intended for human consumption or for the feeding of animals. It uses a colony-count technique at 44 °C on a solid medium containing a chromogenic ingredient for detection of the enzyme β-glucuronidase.

WARNING — Strains of Escherichia coli which do not grow at 44 °C and, in particular, those that are β-glucuronidase negative, such as Escherichia coli O157, will not be detected.


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