1 Scope
This standard specifies examination method of enterobacteriaceae in foods.
In this standard, Method I is applicable to the enumeration of enterobacteriaceae in foods with higher enterobacteriaceae content; Method II is applicable to the enumeration of enterobacteriaceae in foods with lower enterobacteriaceae content.
2 Terms and Definitions
2.1
Enterobacteriaceae
Oxidase-negative, aerobic or facultative anaerobic, Gram-negative non-spore bacillus that ferments and produces acid with glucose under given conditions.
2.2
Enumeration of enterobacteriaceae
Enumeration of the enterobacteriaceae in the sample per gram or milliliter according to the method specified in this standard.
2.3
Most probable number; MPN
An indirect enumeration method based on Poisson distribution.
3 Apparatus and Materials
1 Scope
2 Terms and Definitions
3 Apparatus and Materials
4 Media and Reagents
5 Examination Procedures
6 Operation Steps
7 Report
8 Examination Procedures
9 Operation Steps
10 Report
Appendix A Examples for Calculation of Results
Appendix B Media and Reagents
Appendix C Most Probable Number (MPN) of Enterobacteriaceae
Standard
GB 4789.41-2016 National Food Safety Standard Food Microbiological Examination Enterobacteriaceae (English Version)
Standard No.
GB 4789.41-2016
Status
valid
Language
English
File Format
PDF
Word Count
5000 words
Price(USD)
80.0
Implemented on
2017-3-1
Delivery
via email in 1 business day
Detail of GB 4789.41-2016
Standard No.
GB 4789.41-2016
English Name
National Food Safety Standard Food Microbiological Examination Enterobacteriaceae
1 Scope
This standard specifies examination method of enterobacteriaceae in foods.
In this standard, Method I is applicable to the enumeration of enterobacteriaceae in foods with higher enterobacteriaceae content; Method II is applicable to the enumeration of enterobacteriaceae in foods with lower enterobacteriaceae content.
2 Terms and Definitions
2.1
Enterobacteriaceae
Oxidase-negative, aerobic or facultative anaerobic, Gram-negative non-spore bacillus that ferments and produces acid with glucose under given conditions.
2.2
Enumeration of enterobacteriaceae
Enumeration of the enterobacteriaceae in the sample per gram or milliliter according to the method specified in this standard.
2.3
Most probable number; MPN
An indirect enumeration method based on Poisson distribution.
3 Apparatus and Materials
Contents of GB 4789.41-2016
1 Scope
2 Terms and Definitions
3 Apparatus and Materials
4 Media and Reagents
5 Examination Procedures
6 Operation Steps
7 Report
8 Examination Procedures
9 Operation Steps
10 Report
Appendix A Examples for Calculation of Results
Appendix B Media and Reagents
Appendix C Most Probable Number (MPN) of Enterobacteriaceae