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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
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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.