Abstract
The aim of this study was to characterize aqueous and alcoholic extracts [30%, 50% and 70% (w/v)] obtained from medicinal herbs (Calendula officinalis, Hypericum perforatum, Galium verum, and Origanum vulgare) used in traditional medicine from our country. Samples were examined for total and individual content of phenolics and antioxidant activities. The highest content of total polyphenols (9.9 ± 0.02 mg gallic acid equivalents (GAE) L–1 extract) and antioxidant activities expressed as Trolox Equivalent Antioxidant Capacity [307.51 TEAC mmol g–1DW by the ABTS (2,2′-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) method and 20.90 TEAC mmol g–1 DW by the DPPH (1,1-diphenyl-2-picrylhydrazyl) method] was found in Origanum vulgare (50%) extract. Polyphenolic compounds were quantified using RP-HPLC.
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