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BS EN ISO 16649-3 : 2015

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BS EN ISO 16649-3 : 2015

MICROBIOLOGY OF THE FOOD CHAIN - HORIZONTAL METHOD FOR THE ENUMERATION OF BETA-GLUCURONIDASE-POSITIVE ESCHERICHIA COLI - PART 3: DETECTION AND MOST PROBABLE NUMBER TECHNIQUE USING 5-BROMO-4-CHLORO-3-INDOLYL-BETA-D-GLUCURONIDE (ISO 16649-3:2015)

British Standards Institution

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Table of Contents

Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Principle<br>5 Dilution fluids and culture media<br>6 Apparatus and glassware<br>7 Sampling<br>8 Preparation of test sample<br>9 Procedure<br>10 Expression of results<br>11 Precision<br>12 Test report<br>Bibliography

Abstract

Defines a horizontal method for the detection and enumeration of beta-glucuronidase positive Escherichia coli, by means of the liquid-medium culture technique and calculation of the most probable number (MPN) after incubation at (37 +/- 1) degrees C, then at (44 +/- 1) degrees C.

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Document Type Standard
Status Current
Publisher British Standards Institution
Committee AW/9
Supersedes
  • DD ISO/TS 16649-3 : 2005
  • 13/30283641 DC : 0