1. Institute for Macromolecular Studies ISMAC-CNR, Via De Marini 6; 16149 Genova Italy
2. Institute for Macromolecular Studies ISMAC-CNR, Via Bassini 15; 20133 Milano Italy
3. Department of Chemistry “U. Schiff,”; University of Florence, Via della Lastruccia 13; 50019 Sesto Fiorentino (FI) Italy
4. Department of Food, Environmental and Nutritional Sciences DeFENS; University of Milan, Via Celoria 2; 20133 Milano Italy