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KMID : 0613820100200111611
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Journal of Life Science
2010 Volume.20 No. 11 p.1611 ~ p.1616
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Effect of Surfactant Micelles on Oxidation in W/O/W Multiple Emulsion
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Cha Woen-Seup
Cho Young-Je
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Abstract
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The purpose of this research was to determine the effect of surfactant micelles on lipid oxidation in W/O/W multiple emulsions. The content of ferric irons and hydroperoxide in the continuous phase in W/O/W multiple emulsions was measured as a function of Brij micelle. The concentration of ferric iron and hydroperoxide in the continuous phase increased with increased storage time (1～6 days). Lipid oxidation rates, as determined by the formation of lipid hydroperoxides, TBARs and headspace hexanal, in the W/O/W multiple emulsions containing ferric iron decreased when 3% surfactant micelles were exceeded. These results indicate that excess surfactant micelles could alter the physical location and prooxidant activity of iron in W/O/W multiple emulsions.
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KEYWORD
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W/O/W multiple emulsion, surfactant micelles, iron, lipid oxidation
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