PRELAB 1: Oxidation-reduction potential Flashcards
1
Q
What is oxidation-reduction potential
A
measure the ability of chemicals/biochecmials to lose electrons (oxidize) or gain electron (reduction)
2
Q
The O/R potential is measured by
A
Eh
3
Q
gain of electrons
A
reduced
4
Q
loss of electrons
A
oxidize
5
Q
Aerobic organisms require
A
+ Eh
6
Q
Anaerobic organism require
A
-Eh
7
Q
Microaerophiles/ microaerobic
A
close to Eh since they require a small amount of oxygen
8
Q
Facultative anaerobe
A
they survive in both oxygenated and deoxygenated environment hence Eh varies
9
Q
Eh in food can be affected based on the _______ used for ______
A
materials
packaging