Microbiology of food and animal feeding stuffs. Horizontal method for the enumeration of coliforms. Colony-count technique
Microbiology of food and animal feeding stuffs. Horizontal method for the enumeration of coliforms. Colony-count technique
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1 Scope This International Standard gives general guidelines for the enumeration of coliforms . It is applicable to
— products intended for human consumption and for the feeding of animals, and
— environmental samples in the area of food production and food handling,
by means of the technique of counting colonies after incubation on a solid medium at 30 ◦ C or at 37 ◦ C.
NOTE The temperature is subject to agreement between the parties concerned. In the case of milk and milk products, the temperature of incubation is 30 ◦ C.
This technique is recommended when the number of colonies sought is expected to be more than 100 per millilitre or per gram of the test sample.
Другие стандарты BS