1. Institute of Agriculture and Food Research and Technology (IRTA), Fruitcentre, Parc Agrobiotech, Parc de Gardeny, 25003 Lleida, Spain
2. Agromillora Group, Plaça M. Raventós, 3, 08770 Sant Sadurní d’Anoia, Spain
3. Department of Chemistry, University of Lleida, Rovira Roure 191, 25198 Lleida, Spain