1. Department of Food Hygiene and Technology, Veterinary Faculty, University of León, E-24071 León, Spain
2. Institute of Food Science and Technology, University of León, E-24071 León, Spain
3. Department of Veterinary Sciences, School of Agrarian and Veterinary Sciences, University of Trás-os-Montes e Alto Douro, 5000-801 Vila Real, Portugal
4. Area of Food Technology, Faculty of Sciences, University of Vigo, E-32004 Ourense, Spain