**2. Materials and Methods**

The EVVOs used in this study were obtained by cold pressing from three varieties, *Ruvea antica*, *Ogliarola*, and *Ravece* of *O. europea,* grown in the village of Montella, Irpinia province, Campania region, Southern Italy. Samples of the three varieties were identified by Vincenzo De Feo, University of Salerno. Voucher specimens of the three varieties are stored in the herbarium of the University of Salerno.
