Answer to Question #271303 in Biology for Simphiwe

Question #271303

Raw milk from a farm was found to contain 3  104



bacterial cells per millilitre when analysed at



the dairy. Before being packaged, the milk is pasteurised so that the milk contains not more than



10 cells per millilitre.



1.1 What is the minimum time the milk has to be heated if the D63 value is 8 minutes?

1
Expert's answer
2021-12-14T15:24:01-0500

"thermal death rate" or the apparent heat resist- ance was the "D value," which is defined as the. time, in minutes, to reduce the population by 90% at a constant, lethal temperature.



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