International Standard
ISO 4833-1:2013
Microbiology of the food chain — Horizontal method for the enumeration of microorganisms — Part 1: Colony count at 30 °C by the pour plate technique
Reference number
ISO 4833-1:2013
Edition 1
2013-09
© ISO 2024
International Standard
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Published (Edition 1, 2013)
This standard was last reviewed and confirmed in 2019. Therefore this version remains current.
This standard has 1 amendment.

ISO 4833-1:2013

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CHF 63
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Abstract

ISO 4833-1:2013 specifies a horizontal method for enumeration of microorganisms that are able to grow and form colonies in a solid medium after aerobic incubation at 30 °C. The method is applicable to: a) products intended for human consumption and for animal feed; b) environmental samples in the area of food and feed production and handling.

ISO 4833-1:2013 is applicable to: 1) products that require a reliable count when a low limit of detection is specified (below 102/g or 102/ml for liquid samples or below 103/g for solid samples); 2) products expected to contain spreading colonies that obscure colonies of other organisms, e.g. milk and milk products likely to contain spreading Bacillus spp.

The applicability of ISO 4833-1:2013 to the examination of certain fermented food and animal feeds is limited and other media or incubation conditions can be more appropriate. However, this method can be applied to such products even though it is possible that the predominant microorganisms in those products are not detected effectively.

For some matrices, the method specified in ISO 4833-1:2013 can give different results to those obtained using the method specified in ISO 4833‑2.

General information

  • Status
     : Published
    Publication date
     : 2013-09
    Stage
    : International Standard under systematic review [90.20]
  • Edition
     : 1
    Number of pages
     : 9
  • Technical Committee :
    ISO/TC 34/SC 9
    ICS :
    07.100.30 
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 Amendments

Amendments are issued when it is found that new material may need to be added to an existing standardization document. They may also include editorial or technical corrections to be applied to the existing document.

Amendment 1

Clarification of scope

Edition 2022

Format
Language
CHF 18
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Life cycle

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