D-value Flashcards
1
Q
What is the impact of temperature on cell growth
A
As temperature increases the rate of cell division increases up until the optimum rate. After this temperature, growth rates drop rapidly as cells become damages.
2
Q
What does a 1log drop in cell count represent
A
90% loss
3
Q
Define: D-value
A
the time taken to destroy 90% of the starting population
4
Q
What else may impact cell growth
A
Limiting factors such as nutrients, oxygen
Toxic by-products
A change in pH
