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BS ISO 7251:2005

BS ISO 7251:2005

$102.76

Microbiology of food and animal feeding stuffs. Horizontal method for the detection and enumeration of presumptive Escherichia coli. Most probable number technique

Published By Publication Date Number of Pages
BSI 2005 22
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This International Standard gives general guidelines for the detection and enumeration of presumptive Escherichia coli by means of the liquid-medium culture technique and calculation of the most probable number (MPN) after incubation at 37 °C, then at 44 °C. This International Standard is applicable to

  • products intended for human consumption and the feeding of animals, and

  • environmental samples in the area of food production and food handling.

WARNING — Some pathogenic strains of Escherichia coli do not grow at 44 °C.

A limitation of the applicability of this International Standard is imposed by the susceptibility of the method to a large degree of variability (see Clause 10).

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BS ISO 7251:2005
$102.76