Phenolic compounds and antioxidant activity of Agrimonia pilosa Ledeb

Shaldayeva T. M., Kostikova V. A., Vysochina G. I.

The composition and content of the phenolic compounds and antioxidant activity of the flowers and leaves of Agrimonia pilosa Ledeb. were studied. Thirteen compounds ‒ kaempferol, аstragalin, kaempferol-3-О-β-rutinoside, hyperoside, rutin, quercitrin, apigenin, vitexin, luteolin-7-glucoside; ellagic, chlorogenic, caffeic and vanillic acid are identified. Rutin and ellagic acid are the dominant components. The maximum content of flavonoid substances (4,57 % ‒ in flowers and 2,53 % ‒ in leaves) and total antioxidant activity (0,70 mg/g и 0,38 mg/g, accordingly) was observed during the flowering phase of A. pilosa.

Keywords:Agrimonia pilosa, phenolic compounds, antioxidant activity