ISO/CD 21722
ISO/CD 21722


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.

General information 

  •  :  Under development
  •  : 1
  •  : ISO/TC 34/SC 9 Microbiology
  •  :
    07.100.30 Food microbiology

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