Effects of gaseous atmosphere in food microorganisms Flashcards
1
Q
Give an example of an obligate anaerobe?
A
Clostridium
2
Q
Give an example of a faculative anaerobe?
A
C. jejuni and clostridium
3
Q
What effect does oxygen have on the cell?
A
It determines how the cell will metabolise, E.g aerobically or anerobically
4
Q
What gram type of bacteria will a high concentration of co2 inhibit?
A
Gram negative bacteria
5
Q
What are the safety concerns of vacuum packaging?
A
Provides a longer period for possible growth of psychrotrophs
