Grasas y Aceites, Vol 54, No 1 (2003)

Effect of different reversed micelles on autooxidation and photooxidation of stripped corn oil


https://doi.org/10.3989/gya.2003.v54.i1.272

Y. A. El-Shattory
Fats and Oils lab, National Research Centre, Egypt

M. A. Saadia
Fats and Oils lab, National Research Centre, Egypt

S. F. Hamed
Fats and Oils lab, National Research Centre, Egypt

K. Schwarz
Institut für Humanernährung und Lebensmittelkunde, Germany

Abstract


The effect of reversed micelles (RMs) in combination with α -tocopherol and Trolox was evaluated on the autooxidation and photooxidation of stripped corn oil. Oxidation was followed by measuring hydroperoxide and hexanal formation. RMs affected the oil oxidation stability to a degree depending on the surfactant used. Lecithin RMs caused a stronger decrease in oxidation than polyglyceryl-3-oleate RMs and methylglucose dioleate RMs. All RMs reduced the inhibition of oxidation when added in combination with external antioxidant.

Keywords


Autooxidation; Corn oil; Lecithin; Methyl glucose dioleate; Oxidation; Photooxidation; Polyglyceryl-3-oleate; Reversed micelles

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