Psychrophilic Microorganisms Quiz
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Questions and Answers

What is the maximum temperature for growth of psychrophilic microorganisms?

20oC

Name a psychrophilic yeast mentioned in the text.

Candida gelida

Which bacterial genera do most psychrophiles belong to?

Vibrio, Aeromonas, Alcaligenes, Pseudomonas, Flavobacterium

What is the temperature range at which psychrotrophs grow?

<p>0-7oC</p> Signup and view all the answers

Name a psychrotrophic food spoilage bacteria mentioned in the text.

<p>Pseudomonas aeruginosa</p> Signup and view all the answers

Name three psychrotrophic microorganisms causing foodborne illnesses.

<p>L.monocytogenes, Y.enterocolitica, Aeromonas hydrophila</p> Signup and view all the answers

What is the range of growth temperatures for mesophilic microorganisms?

<p>Between 10oC minimum and 45oC maximum</p> Signup and view all the answers

Give examples of mesophilic food spoilers.

<p>Lactobacillus, Bacillus, E.coli</p> Signup and view all the answers

What is the optimum growth temperature range for thermophilic microorganisms?

<p>45–65oC</p> Signup and view all the answers

Name three bacterial species that can survive commercial sterilization of low-acid canned foods.

<p>B.stearothermophilus, Bacillus coagulans, C.thermosaccharolyticum</p> Signup and view all the answers

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