Influence of horizontal centrifugation processes on the content of phenolic secoiridoids and their oxidized derivatives in commercial olive oils: An insight by liquid chromatography-high-resolution mass spectrometry and chemometrics - De Ceglie, C; Abbattista, R; Losito, I; Castellaneta, A; Calvano, C D; Bianco, G; Palmisano, F; Cataldi, T RI (J Agric Food Chem, 2020)