Powerpoint 7

Question 1

What microbial tests are used to analyze food products?

Answer 1

1. Aerobic colony count (ACC) - quantitative
2. Coli form testing - presence absence and quantitative
3. Yeast and mold - quantitative
4. Pathogen testing - presence absence and quantitative

Question 2

What is the method reference used for testing food for Canadian public consumption
Local, imported, exported

Answer 2

Local/imported -
HPFB of Canada in support of food borne disease investigation
Exported -
Dependant on country exported to
US —> USDA-FSIS

Question 3

What is a stomacher used for in microbiology lab?
Why aren’t blenders used anymore?

Answer 3

Stomacher -
Used to break down the food sample within a sterile bag
Blenders -
Are not used anymore as the motor and blade tend to heat up while in use causing potential death in the targeted microorganism/bacterium within the sample

Question 4

What is the countable plate range for standard plate counts for food products?

Answer 4

20-200