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ISO/CD 21722

Microbiology of the food chain — Horizontal method for enumeration of enterococci

General information

Current stage: 30.60 Effective date: May 10, 2023

Originator: ISO

Owner: ISO/TC 34/SC 9

Type: International Standard

ICS: 07.100.30

Scope

This standard specifies a horizontal method for the enumeration of enterococci as faecal indicators in food, feed and environmental samples by the colony-count technique on a selective solid medium (Slanetz and Bartley agar) by an identification scheme based on tetrazolium reduction and formazan production following by confirmation based on split aesculin at 44°C on Bile Aesculin azide Agar.

Life cycle

NOW

PROJECT
ISO/CD 21722
30.60 Close of voting/ comment period
May 10, 2023