1. Matforsk AS, Norwegian Food Research Institute, Osloveien 1, N-1430 Ås, Norway
2. Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, P.O. Box 5003, N-1432 Ås, Norway
3. Unité MéDIAN, UMR CNRS 6142, IFR 53, UFR de Pharmacie, Université de Reims-Champagne-Ardenne, 51 rue Cognaq Jay, 51096 Reims Cedex, France