Olive Mill Waste Extracts: Polyphenols Content, Antioxidant, and Antimicrobial Activities

Figure 2

HPLC chromatogram of the phenolic profile of OWWE. Peaks identities: (1) hydroxytyrosol glucoside, (2) hydroxytyrosol, (3) tyrosol, (4) vanillic acid (5) sinapic acid, (6) syringic acid, (7) caffeic acid, (8) p-coumaric acid, (9) dihydroxymandelic acid, (10) vanillin, (11) 3,4,5 trimethoxybenzoic acid, (12) secoiridoids derivatives, (13) verbascoside, (14) rutin, (15) luteolin-7-rutinoside, (16) luteolin-7-glucoside, (17) luteolin, (18) apigenin, (19) nüzhenide, (20) quercetin, (21) apigenin-7-rutinoside, (22) apigenin-7-glucoside, (23) oleuropein, (24) oleuropein aglycon (25) ligstroside, (26) ligstroside aglycon, (27) secoiridoids derivatives and (P) polymeric substances.