1 Department of Food Science, University of Copenhagen, Rolighedsvej 26, DK-1958 Frederiksberg, Denmark. vor@food.ku.dk.
2 Department of Safety and Quality of Meat, Max Rubner Institute, Federal Research Institute of Nutrition and Food; E.-C.-Baumann- Straße 20, 95326 Kulmbach, Germany. tomas.bolumar@mri.bund.de.