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Roasting-Related Changes in Oxidative Stability and Antioxidant Capacity of Apricot Kernel Oil

  • Original Paper
  • Published:
Journal of the American Oil Chemists' Society

Abstract

Apricot kernels were roasted for various lengths of time (0–30 min) at 180 °C and changes in the oxidative stability, antioxidant capacity, color, as well as the level of tocopherols and fatty acids of the apricot kernel oil (AKO) were monitored. While the level of tocopherols decreased, the oxidative stability and antioxidant capacity of AKO increased with roasting, probably due to the formation of antioxidative Maillard reaction products (MRPs) during the roasting. Medium roasted samples (15–20 min) were found to be more resistant to oxidative deterioration. The oil from the 30-min roasted sample was more susceptible to oxidation compared to the oil from the 20-min roasted sample in most of the stability tests. Relatively shorter roasting periods (5–10 min) also led to a decrease in oxidative stability in comparison to the unroasted sample. Brownish color and antiradical activity increased with roasting and the highest values were measured in the 30 min roasted sample.

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Acknowledgments

This study was supported by the Inonu University Scientific Research Center (Project No: 2004/10). The authors are grateful to the Malatya Governorships’ Apricot Research, Development and Introduction Foundation for financial support and Fiskobirlik S.S. for laboratory assistance.

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Authors and Affiliations

  1. Department of Food Engineering, Inonu University, 44280, Malatya, Turkey

    Gökhan Durmaz & İhsan Karabulut

  2. Department of Food Engineering, Hacettepe University, Beytepe, 06800, Ankara, Turkey

    Ali Topçu

  3. Department of Chemistry, Inonu University, 44280, Malatya, Turkey

    Meltem Asiltürk & Türkan Kutlu

Authors
  1. Gökhan Durmaz
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  2. İhsan Karabulut
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  3. Ali Topçu
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  4. Meltem Asiltürk
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  5. Türkan Kutlu
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Correspondence to Gökhan Durmaz.

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Durmaz, G., Karabulut, İ., Topçu, A. et al. Roasting-Related Changes in Oxidative Stability and Antioxidant Capacity of Apricot Kernel Oil. J Am Oil Chem Soc 87, 401–409 (2010). https://doi.org/10.1007/s11746-009-1518-9

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  • DOI: https://doi.org/10.1007/s11746-009-1518-9

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