1. Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano 49, Napoli 80131, Italy
2. Laboratory for Product Analysis of Chamber of Commerce, Corso Meridionale Napoli 80143, Italy
3. Department of Food Microbiology, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Via Salute 2, 80055 Portici (NA), Italy