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BSI BS ISO 4831:2006

Microbiology of food and animal feeding stuffs. Horizontal method for the detection and enumeration of coliforms. Most probable number technique
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BSI BS ISO 4831:2006

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

PUBLISH DATE 2006
PAGES 18
BSI BS ISO 4831:2006

This International Standard gives general guidelines for the detection and the enumeration of coliforms. It is applicable to

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

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

Enumeration is carried out by calculation of the most probable number (MPN) after incubation in a liquid medium at 30 °C or 37 °C.

NOTE The temperature is subject to agreement between the parties concerned. In the case of milk and milk products, the temperature of incubation is 30 °C.

This enumeration method is applicable when the number sought is expected to be in the range 1 to 100 per millilitre or per gram of test sample.

A limitation on the applicability of this International Standard is imposed by the susceptibility of the method to a large degree of variability. The information given in Clause 11 provides guidance on the applicability of the method and on the interpretation of the results.

SDO BSI: British Standards Institution
Document Number ISO 4831
Publication Date Nov. 30, 2006
Language en - English
Page Count 18
Revision Level
Supercedes
Committee AW/9
Publish Date Document Id Type View
Nov. 30, 2006 BS ISO 4831:2006 Revision