Method for determining oxidative status of unsaturated lipids an

Details Method for determining oxidative status of unsaturated lipids an Method for determining oxidative status of unsaturated lipids an

1980-01-21

1981-03-03

Yoncoskie, Robert A.

Chemistry: physical processes

Physical processes

Crystallization

23230M, 23230PC, 426231, G01N 3106, G01N 3302

Patent

active

042538483

ABSTRACT:
A method for rapid, dry, non-destructive assay of the oxidative status of unsaturated lipids in whole foods, fats or oils and a method for prediction of the storage life of such lipids are disclosed. A method for evaluating the effectiveness of natural or synthetic antioxidants in dry, thin layers of lipid supported on polypeptide is also disclosed. All of these methods depend on the fluorescence of compounds formed by the reaction of volatiles from oxidizing lipids and a polymerized epsilon-caprolactam.

REFERENCES:
patent: 3689221 (1972-09-01), Udenfriend
patent: 3871825 (1975-03-01), Leimgburger et al.
patent: 3892530 (1975-07-01), Felix et al.
patent: 4026666 (1977-05-01), Holmes
Gray, J. I., "Measurement of Lipid Oxidation: A Review", J. Amer. Oil Chem. oc., vol. 55, 1978, pp. 539-546.

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