peroxide number

peroxide number

[pə′räk‚sīd ‚nəm·bər]
(analytical chemistry)
Measure of millimoles of peroxide (or milliequivalents of oxygen) taken up by 1000 grams of fat or oil; used to measure rancidity. Also known as peroxide value.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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* High starting peroxide numbers can indicate that a fat has been poorly manufactured or improperly stored.
Frying fats/oils: a foodservice buyer's guide to selecting quality products

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