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Molecules 2018, 23(7), 1746; https://doi.org/10.3390/molecules23071746

Oxidative Stability of Selected Edible Oils

Division of Fats & Oils and Food Concentrates Technology, Department of Food Technology, Warsaw University of Life Sciences—SGGW (WULS-SGGW), 02-787 Warsaw, Poland
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Academic Editors: Jacek Namieśnik and Justyna Płotka-Wasylka
Received: 18 June 2018 / Revised: 11 July 2018 / Accepted: 14 July 2018 / Published: 17 July 2018
(This article belongs to the Special Issue Recent Advances in Studies of Food and Beverages)
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Abstract

The aim of the study was to examine and compare oxidative stability of refined (peanut, corn, rice bran, grapeseed, and rapeseed) oils. The oils were subject a Schaal Oven Test (temperature 63 ± 1 °C) and a Rancimat test (temperature 120 °C) and their stability was compared at the 1st and 12th month of storage. Changes in the peroxide (PV) and anisidine (AnV) values in the thermostat test were the fastest in rapeseed oil and grapeseed oil. The best quality was preserved by peanut and corn oils both in the first and the twelfth month of storage. The induction times for the rice bran, corn, peanut, and rapeseed oils were similar from 4.77 h to 5.02 h in the first month and from 3.22 h to 3.77 h in the twelfth month. The shortest induction times were determined for grapeseed oil: 2.4 h and 1.6 h, respectively. A decrease of oxidative stability of about 30% was found in all the oils after 12 months of storage. The PV of 10, determined in the thermostat and Rancimat tests, were achieved at the latest in corn oil and the fastest in rice bran oil. View Full-Text
Keywords: oxidative stability; edible oil; Rancimat test; Schaal Oven Test; storage oxidative stability; edible oil; Rancimat test; Schaal Oven Test; storage
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Maszewska, M.; Florowska, A.; Dłużewska, E.; Wroniak, M.; Marciniak-Lukasiak, K.; Żbikowska, A. Oxidative Stability of Selected Edible Oils. Molecules 2018, 23, 1746.

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