1. Department of Chemical Sciences, University of Naples “Federico II”, 80126 Naples, Italy
2. Institute of Food Sciences, National Research Council, Via Roma, 64, 83100 Avellino, Italy
3. Department of Agriculture, Università degli Studi di Napoli “Federico II”, via Università 100, Parco Gussone, 80055 Portici, Italy
4. Proteomics & Mass Spectrometry Laboratory, ISPAAM, National Research Council, 80147 Naples, Italy