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Microbiological methods for the dairy industry. Part 3. Methods of examination for specific groups of microorganisms. Escherichia coli - direct plate method

Anonymous

Australian Standard (AS1095.3.10 1984): 4

1984


Accession: 001409083

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Dilutions of the sample are incubated for 18-24 h at 44.0-44.5 degrees C on cellulose ester membranes overlaid on tryptone bile agar, and indole-positive colonies on membranes containing not more than 150 colonies are counted.

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