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BS EN ISO 20976-1:2019 Microbiology of the food chain. Requirements and guidelines for conducting challenge tests of food and feed products - Challenge tests to study growth potential, lag time and maximum growth rate >
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BS EN ISO 20976-1:2019 Microbiology of the food chain. Requirements and guidelines for conducting challenge tests of food and feed products - Challenge tests to study growth potential, lag time and maximum growth rate, 2019
- National foreword
- European foreword
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle [Go to Page]
- 5 Apparatus
- 6 Culture media and reagents
- 7 Study design and sampling [Go to Page]
- 8 Selection of strains
- 9 Preparation of the inoculum [Go to Page]
- 10 Inoculation of the tests units
- 11 Controls [Go to Page]
- 12 Storage of the test units [Go to Page]
- 13 Analysis
- 14 Expression of the results [Go to Page]
- 15 Test report [Go to Page]
- Annex A (informative) Inter-batch variability assessment based on pH and aw
- Annex B (normative) Minimum number of units to prepare for the challenge test study
- Annex C (informative) Examples of protocols to prepare inocula
- Annex D (informative) Examples of how to estimate growth potential, lag time and maximum growth rate from results of challenge tests
- Annex E (informative) Use of simulation to assess a microbial population under different temperature conditions
- Bibliography [Go to Page]