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HPLC phenolic profile of olive leaf lyophilized extract. Detection at (A) 280 and (B) 350 nm. (1) caffeic acid; (2) verbascoside; (3) oleuropein; (4) luteolin 7-O-glucoside; (5) rutin; (6) apigenin 7-O-glucoside; (7) luteolin 4’-O-glucoside.
