1. Department of Food Science, Faculty of Science and Technology, Aarhus University, P.O. Box 50, DK-8830 Tjele, Denmark
2. Arla Foods amba, Sønderhøj 14, DK-8260 Viby J, Denmark
3. Free Radical Group, The Heart Research Institute, 7 Eliza Street, Newtown, Sydney, NSW 2042, Australia