Exp 2 heat Flashcards

1
Q

D-value

A

The time (mins) to reduce microbial population by 90% (a log) in a specific condition.

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2
Q

Z-value

A

Temperature change needed for the D-value to change by a factor of ten (a log).

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3
Q

F-value

A

Thermal Death Time, the time (in minutes) to reduce a given number of organisms to 100(essentially zero) in a specified medium at a specified temperature (°F).

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4
Q

formula to go from D-value to F-value

A

F-value=log(N)*D-value

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5
Q

what can decrease the d-value

A

fat

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