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. 2017 Sep 5;12(9):e0182622. doi: 10.1371/journal.pone.0182622

Fig 2. Developed TLC bioautography plates (4:6, v/v Hexane: Acetone) stained with 2.54 mM DPPH solution visualized under visible light.

Fig 2

A. standard phenolic compounds at 1 mg/mL–OL: oleuropein; PC: p-coumaric acid; CA: caffeic acid; GA: gallic acid; HT: hydroxytyrosol. B. GTOW phenolic extract at 1, 5, 10 and 25 mg/mL. C. OMW1 phenolic extract at 2.5, 5, 25 and 50 mg/mL.