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:
