Gives general guidelines for the enumeration of presumptive Escherichia coli in products intended for human consumption or feeding of animals, by means of the liquid-medium culture technique and calculation of the most probable number after incubation at 35 °C or 37 °C (this temperature forming the subject of agreement between the parties concerned), then incubation at 45 °C. A limitation of the applicability is imposed by the susceptibility of the method to a large degree of variability.
Status: WithdrawnPublication date: 1993-12
Edition: 2Number of pages: 7
Technical Committee: ISO/TC 34/SC 9 Microbiology
- ICS :
- 07.100.01 Microbiology in general
ISO 7251:1993Stage: 95.99
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