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)

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2
Q

The O/R potential is measured by

A

Eh

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3
Q

gain of electrons

A

reduced

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4
Q

loss of electrons

A

oxidize

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5
Q

Aerobic organisms require

A

+ Eh

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6
Q

Anaerobic organism require

A

-Eh

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7
Q

Microaerophiles/ microaerobic

A

close to Eh since they require a small amount of oxygen

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8
Q

Facultative anaerobe

A

they survive in both oxygenated and deoxygenated environment hence Eh varies

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9
Q

Eh in food can be affected based on the _______ used for ______

A

materials
packaging

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