Standard No.:	GB 4789.11-2014
English Name:	National Food Safety Standard-Microbiological Examination of Food Hygiene-Examination of β-Streptococcus Hemolyticus
Chinese Name:	食品安全国家标准 食品微生物学检验 β型溶血性链球菌检验
Professional Classification:	GB    National Standard
Issued by:	National Health and Family Planning Commission
Issued on:	2014-12-01
Implemented on:	2015-5-1
Status:	valid
Superseding:	GB/T 4789.11-2003 Microbiological Examination of Food - Hygiene-Examination of Streptococcus hemolyticus
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	60.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the inspection method for β-type hemolytic streptococcus in foods. This standard is applicable to inspection of β-type hemolytic streptococcus in foods. 2 Terms and Definitions 2.1 β-type hemolysis Totally transparent hemolytic rings are formed around the bacterial colony and the erythrocytes are fully dissolved. 2.2 β-type hemolytic streptococcus It can produce β-type hemolytic streptococcus pyogenes (or A-group) and streptococcus agalactiae (or B-group). 3 Equipment and Materials In addition to the conventional sterilization and cultivation equipment in microbiological laboratory, other equipment and materials are as follows:

Foreword i 1 Scope 2 Terms and Definitions 3 Equipment and Materials 4 Culture Media and Reagents 5 Inspection Procedure 6 Operation Procedure 7 Results and Reports Appendix A Culture Media and Reagents