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You have a vial that contains 1000 bacteria. after boiling for 3 minutes, there are only 500 living bacteria remaining in the sample. what is the decimal reduction time for boiling this organism?

Sagot :

anvitanvar032

The decimal reduction time for boiling this organism is 5.4 minutes.

  • The number of minutes exposure to a specified temperature required to reduce viable bacteria by 90% is known as the D-value (decimal reduction time).
  • Thirdly, the concept of decimal reduction time (DRT or D value) is connected to bacterial heat resistance. DRT is the amount of time, in minutes,
  • That it takes for 90% of a population of bacteria to be destroyed at a particular temperature.
  • In terms of usefulness, this measurement is crucial for determining how well bacteria are inactivated by heat under various settings, particularly when preparing and preserving food.

Total bacteria = 1000

500 bacteria die in 3 minutes

1000 bacteria will die in 6 minutes

90% of 1000 = 900

900 bacteria will die in = 900 X 3/500

                                      =  27/5

                                      =  5.4 minutes

learn more about decimal reduction time here: https://brainly.com/question/14236533

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