An integrated process for the recovery of high added-value compounds from olive oil using solid support free liquid-liquid extraction and chromatography techniques - Angelis, A; Hamzaoui, M; Aligiannis, N; Nikou, T; Michailidis, D; Gerolimatos, P; Termentzi, A; Hubert, J; Halabalaki, M; Renault, J H; Skaltsounis, A L (J Chromatogr A, 2017)