PEF Flashcards
1
Q
PEF?
A
Pulsed electrical field processing
2
Q
what is it
A
non-thermal processing
shorts bursts of electricity to inactivate microbes
3
Q
Voltage?
A
20-60kv fr microseconds which are food dependent
4
Q
what foods
A
liquids and semi liquids i.e. juices and soups
5
Q
how does the voltage affect the food
A
breaks the cell membrane of micorbes by expanding the existing pores i.e. cell lysis
6
Q
example
A
orange pectin methylesterase
7
Q
disadvantage
A
doesnt inactivate spore
