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ISO 11290-2:2017Published

Microbiology of the food chain — Horizontal method for the detection and enumeration of Listeria monocytogenes and of Listeria spp. — Part 2: Enumeration method

Microbiologie de la chaîne alimentaire — Méthode horizontale pour la recherche et le dénombrement de Listeria monocytogenes et de Listeria spp. — Partie 2: Méthode de dénombrement

A new edition is under development: ISO/CD 11290-2.

Abstract / scope

ISO 11290-2:2017 specifies a horizontal method for

- the enumeration of L. monocytogenes, and

- the enumeration of Listeria spp. (including L. monocytogenes).

ISO 11290-2:2017 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.

Life cycle

Amendments & corrigenda

ISO 11290-2:2017/Amd 1:2026PublishedMicrobiology of the food chain — Horizontal method for the detection and enumeration of Listeria monocytogenes and of Listeria spp. — Part 2: Enumeration method — Amendment 1: Inclusion of storage of the samples before analysis and changes in the control strain for performance testing of culture media and reagentsInternational Standard · Published 15 Jul 2026 · ISO/TC 34/SC 9

Replaces

ISO 11290-2:1998WithdrawnMicrobiology of food and animal feeding stuffs — Horizontal method for the detection and enumeration of Listeria monocytogenes — Part 2: Enumeration methodInternational Standard · Published 11 Jun 1998 · ISO/TC 34/SC 9ISO 11290-2:1998/Amd 1:2004WithdrawnMicrobiology of food and animal feeding stuffs — Horizontal method for the detection and enumeration of Listeria monocytogenes — Part 2: Enumeration method — Amendment 1: Modification of the enumeration mediumInternational Standard · Published 1 Oct 2004 · ISO/TC 34/SC 9

Replaced by

ISO/CD 11290-2Under developmentMicrobiology of the food chain — Horizontal method for the detection and enumeration of Listeria monocytogenes and of Listeria spp. — Part 2: Enumeration methodInternational Standard · ISO/TC 34/SC 9