RS ISO 15214: 1998
Microbiology of food and animal feeding stuffs — Horizontal method for the enumeration of mesophilic lactic acid bacteria — Colony-count technique at 30 degrees C


This Rwanda Standard specifies a horizontal method for the enumeration of viable mesophilic lactic acid bacteria by counting the colonies growing in a solid medium after incubation at 30 °C for 3 days.
NOTE In some food products, there exist psychotrophic or thermophilic lactic acid bacteria necessitating culture temperatures
different from 30 °C. Moreover, not all lactic acid bacteria grow on MRS agar at pH 5,7 and some grow only weakly.
Subject to the limitations discussed in the introduction and in the note above, this International Standard is
applicable to products intended for human consumption or animal foodstuffs.

General Information

RS ISO 15214: 1998ADOPTED ISO STANDARDSFood technology13First Edition
Mar 2022
Price: RWF 10,500

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