Journal of the American Oil Chemists' Society

, Volume 80, Issue 11, pp 1101–1105 | Cite as

Do antioxidants improve the oxidative stability of oil-in-water emulsions?

  • Marie-Elisabeth Cuvelier
  • Laura Lagunes-Galvez
  • Claudette Berset


Oil-in-water emulsions were prepared with 30% stripped sunflower oil, stabilized by 20 g/L BSA and homogenized under high pressure to obtain a mean droplet size near 0.5 μm. The emulsions were shown to be physically stable during storage in a shaker at 47°C for 5 d. Such a medium was suitable to test the efficiency of different types of antioxidants. Oxidation of control emulsions appeared rapidly without a lag phase, and the contents of conjugated dienes and hexanal reached a plateau after around 20 h. In the presence of EDTA, the oxidation was strongly inhibited, suggesting that some metallic ions present in the oil or the protein solution act as inducers. Ascorbic acid and ascorbyl palmitate were inactive. Isoeugenol was found to be a powerful antioxidant, better than eugenol, α-tocopherol, and Trolox.

Key Words

Antioxidant ascorbic acid EDTA eugenol isoeugenol o/w emulsion α-tocopherol Trolox 


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Copyright information

© AOCS Press 2003

Authors and Affiliations

  • Marie-Elisabeth Cuvelier
    • 1
  • Laura Lagunes-Galvez
    • 1
  • Claudette Berset
    • 1
  1. 1.Département Science de l’AlimentEcole Nationale Supérieure des Industries Agricoles et AlimentairesMassy-CedexFrance

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