10 Questions
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?
0-7oC
Name a psychrotrophic food spoilage bacteria mentioned in the text.
Pseudomonas aeruginosa
Name three psychrotrophic microorganisms causing foodborne illnesses.
L.monocytogenes, Y.enterocolitica, Aeromonas hydrophila
What is the range of growth temperatures for mesophilic microorganisms?
Between 10oC minimum and 45oC maximum
Give examples of mesophilic food spoilers.
Lactobacillus, Bacillus, E.coli
What is the optimum growth temperature range for thermophilic microorganisms?
45–65oC
Name three bacterial species that can survive commercial sterilization of low-acid canned foods.
B.stearothermophilus, Bacillus coagulans, C.thermosaccharolyticum
Test your knowledge on microorganisms with an optimum temperature for growth of 15oC or lower, found in Arctic and Antarctic regions. Explore the characteristics and genera of psychrophilic bacteria, molds, and yeasts.
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