Lab 25: Standard plate Counts Flashcards
1
Q
list some methods that decrease microbial contamination
A
pasteurization
UV radiation
gamma radiation
high salt/ sugar
washing
2
Q
when would high bacterial counts in food be desirable?
A
cheese & yogurt
3
Q
how to calculate VC/mL
A
(# of colonies/ vol. of sample) x dilution factor
4
Q
The standard plate count is used to determine…
A
the # of viable bacteria per mm
5
Q
What does a low plate count indicate about the food sample?
A
there’s a low # of bacterial counts
6
Q
what does a high plate count indicate about the food sample?
A
there’s a high # of bacterial counts
