ISO 4831:2006

ISO 4831:2006

August 2006
International standard Current

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

ISO 4831:2006 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 to 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. 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.

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International ISO standards

Publication date

August 2006

Reference

ISO 4831:2006

ICS Codes

07.100.30   Food microbiology
Sumary
Microbiology of food and animal feeding stuffs - Horizontal method for the detection and enumeration of coliforms - Most probable number technique

ISO 4831:2006 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 to 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.

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.

Replaced standards (2)
ISO 4831:1991
March 1991
International standard Cancelled
Microbiology. General guidance for the enumeration of coliforms. Most probable number technique.

ISO 5541-2:1986
December 1986
International standard Cancelled
Milk and milk products. Enumeration of coliforms. Part 2 : most probable number technique at 30 degrees C.

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