Quantitation of Microbes in Food Deck (Practical) Flashcards
1
Q
What are the 3 main branches of food microbiology?
A
1) Food spoilage
2) Food-borne illness
3) Food production
2
Q
What 4 factors determine the distribution of bacteria in food?
A
1) Temp
2) pH
3) Oxygen availability
4) Water availability
3
Q
Common method of enumerating bacteria in food samples via serial dilutions.
A
What is the plate count method?
4
Q
A visible mass of bacteria assumed to originate from a single bacterial cell.
A
What is a colony?
5
Q
What is the purpose of serial dilutions in plate counting?
A
To reduce the number of bacteria to a countable number
6
Q
The unit a colony is measured in.
A
What is a colony-forming unit (CFU)?
