Norm

NPR-ISO/TS 16649-3:2005 en

Microbiologie van voedingsmiddelen en diervoeders - Horizontale methode voor de telling van het aantal β-glucuronidase-positieve Escherichia coli - Deel 3: Meest waarschijnlijke aantal met gebruik van 5-bromo-4-chloro-3-indolyl-Beta-D-glucuronide

  • Deze norm is ingetrokken sinds 10-06-2015

48,19

Over deze norm

Status Ingetrokken
Aantal pagina's 8
Commissie Microbiologie van de voedselketen
Gepubliceerd op 01-10-2005
Taal Engels
This Technical Specification specifies a horizontal method for the enumeration of â-glucuronidase-positive 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 Technical Specification 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. The method is suitable for the enumeration of cells of Escherichia coli that may have been subjected to stress arising from dehydration, freezing, exposure to a saline (such as marine) environment or damage by disinfectants such as chlorine-containing products. A limitation of the applicability of this Technical Specification is imposed by the susceptibility of the method to a large degree of variability. The method is to be applied and the results interpreted in the light of the information given in Clause 11.

Details

ICS-code 07.100.30
Nederlandse titel Microbiologie van voedingsmiddelen en diervoeders - Horizontale methode voor de telling van het aantal β-glucuronidase-positieve Escherichia coli - Deel 3: Meest waarschijnlijke aantal met gebruik van 5-bromo-4-chloro-3-indolyl-Beta-D-glucuronide
Engelse titel Microbiology of food and animal feeding stuffs - Horizontal method for the enumeration of β-glucuronidase-positive Escherichia coli - Part 3: Most probable number technique using 5-bromo-4-chloro-3-indolyl-beta-D-glucuronide
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