MICROCALORIMETRIC АPPROACH TO DETERMINATION OF THE CONTENT OF ANTIOXIDANTS AND TOCOPHEROLS IN NATURAL OILS

SIZOVA, NATALIA V. (2015) MICROCALORIMETRIC АPPROACH TO DETERMINATION OF THE CONTENT OF ANTIOXIDANTS AND TOCOPHEROLS IN NATURAL OILS. Journal of Biochemistry International, 2 (1). pp. 31-36.

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Abstract

Using a calorimetric approach, the content of antioxidants and tocopherols (vitamin E) in natural vegetable oils and fats is found. A model reaction of initiation of cumene (isopropylbenzene) oxidation, used as an example, showed that fatty oils inhibit the free-radical reaction, with an induction period proportional to the content of tocopherols in oils. It is shown that the amount of tocopherols is indicative of oil quality, so the method proposed for determination of tocopherols could be extended to monitor production, feed-stock quality and the presence of synthetic antioxidants. The content of tocopherol in oils manufactured by various technologies is determined from the experimental curves.

Item Type: Article
Subjects: Institute Archives > Biological Science
Depositing User: Managing Editor
Date Deposited: 14 Nov 2023 03:52
Last Modified: 14 Nov 2023 03:52
URI: http://eprint.subtopublish.com/id/eprint/3592

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