Title of article :
New insights into the antioxidant activity of Trolox in o/w emulsions
Author/Authors :
Oehlke، نويسنده , , Kathleen and Heins، نويسنده , , Anja and Stِckmann، نويسنده , , Heiko and Sِnnichsen، نويسنده , , Frank and Schwarz، نويسنده , , Karin، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2011
Pages :
7
From page :
781
To page :
787
Abstract :
The antioxidant activity of Trolox was investigated in emulsions containing different emulsifiers, and decreased in the order Brij 58 > CTAB > SDS. Two degradation products were isolated and identified as Trolox quinone and a keto-derivative. In addition to the stability of Trolox, the effects of the degradation products on lipid oxidation were investigated. In emulsions with SDS, the quinone and the keto-derivative contributed to the overall pro-oxidant effect of Trolox, whereas they had no effect in emulsions containing CTAB or Brij 58. It was concluded that the microenvironment at the o/w interface has a marked influence on the antioxidant and pro-oxidant effects of Trolox and its degradation products via molecular interactions and by affecting its molecular mobility.
Keywords :
stability , antioxidant , Microenvironment , Trolox , emulsion
Journal title :
Food Chemistry
Serial Year :
2011
Journal title :
Food Chemistry
Record number :
1963149
Link To Document :
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