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SN/T 1933.1-2007: Detection of Enterococci in food and water. Part 1: Method for plate count and MPN
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Detection of Enterococci in food and water. Part 1: Method for plate count and MPN
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SN/T 1933.1-2007
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Basic data | Standard ID | SN/T 1933.1-2007 (SN/T1933.1-2007) | | Description (Translated English) | Detection of Enterococci in food and water. Part 1: Method for plate count and MPN | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | C53 | | Classification of International Standard | 07.100.30 | | Word Count Estimation | 13,136 | | Date of Issue | 2007-05-23 | | Date of Implementation | 2007-12-01 | | Quoted Standard | GB/T 6682; SN 0330 | | Regulation (derived from) | Accredidation-Technology-Letter [2015] No. 247 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the enterococci plate count in food and water, the most approximate measurement test methods. This standard applies to domestic water, process water and food production in enterococci test. | SN/T 1933.1-2007: Detection of Enterococci in food and water. Part 1: Method for plate count and MPN
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Detection of Enterococci in food and water.Part 1. Method for plate count and MPN
Exit inspection and quarantine industry standard book People's Republic of China
Enterococci test methods in food and water
Part 1. plate count method and the best approximation assays
Posted 2007-05-23
2007-12-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
SN/T 1933 "Test methods of food and enterococci in water" is divided into two parts.
--- Part 1. plate count method and the best approximation of the assays;
--- Part 2. membrane filtration.
This section SN/T 1933 Part 1.
Appendix B to this part of the normative Appendix Appendix A is informative appendix.
This section proposed and managed by the National Certification and Accreditation Administration Committee.
This part of the People's Republic of China Liaoning Province Exit Inspection and Quarantine is responsible for drafting.
The main drafters of this section. Jung Chiu, Juan Cao occasion, in the spirit, Zhao Xin, Wang Jinling, Yang Xu.
The first part of the Department of Inspection and Quarantine issued by industry standards.
Enterococci test methods in food and water
Part 1. plate count method and the best approximation assays
1 Scope
SN/T 1933 provisions of this part of the food and water enterococci plate count, test methods most determined approximations.
This section applies to domestic water, water and food production and processing in enterococci test.
2 Normative references
The following documents contain provisions which, through reference SN/T 1933 this section, constitute provisions of this part. For dated references,
All subsequent amendments (excluding corrections) or revisions do not apply to this section, however, encourage an agreement under this section
Parties to study the latest versions of these documents. For undated reference documents, the latest versions apply to this section.
GB/T 6682 analytical laboratory use specifications and test methods
SN/T 0330 Microbiological examination of food for export General
3 Terms, definitions and abbreviations
3.1 Terms and Definitions
The following terms, definitions and abbreviations apply SN/T 1933 of this part.
A class of Gram-positive cocci, facultative anaerobic, spore and capsule, can be dismantled bile esculin. The assessment of food, water, food processing set
One indicator bacteria preparation, food production and environmental health conditions.
3.2 Abbreviations
3.2.1 BEA
Bile esculin agar.
3.2.2 BHIB
Brain heart infusion broth.
3.2.3 BHIA
Brain heart infusion agar.
4 Equipment and Materials
4.1 Electronic balance. a sense of the amount of 0.001g.
4.2 constant temperature water bath. 46 ℃ ± 1 ℃.
4.3 incubator. 35 ℃ ± 0.5 ℃, 36 ℃ ± 1 ℃, 45 ℃ ± 0.5 ℃, 35 ℃ ± 2 ℃.
4.4 homogenizer.
4.5 oscillator.
4.6 pipette. Volume 1mL, 10mL.
4.7 Petri dish.
5 medium and reagents
Test water line with GB/T 6682 analytical laboratory use specifications and test method requirements. Unless otherwise specified, reagents were analytical grade.
5.1 Sodium azide dextrose broth (see Appendix A.1 chapter).
5.2 Enterococcus broth (see Appendix A.2 chapter).
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