0

ISO/CD 21722

Microbiology of the food chain — Horizontal method for enumeration of enterococci ISO/CD 21722

General information

30.60 Close of voting/ comment period   May 10, 2023

ISO

ISO/TC 34/SC 9 Microbiology

International Standard

07.100.30   Food microbiology

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

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