1. Laboratory of Mass Spectrometry, IDAEA-CSIC, c. Jordi Girona, 18-26, E-08034, Barcelona, Spain
2. Olive Production, Oil Processing and Nut Trees, IRTA (Research & Technology, Food & Agriculture), Mas de Bover Crta. de Reus, El Morell 43120 Constantí (Tarragona), Spain