Abstract
ABSTRACTThe paper presents the results of antioxidant activity of water, methanolic, ethyl-acetate, acetone and petroleum ether extract from plant species Teucrium chamaedys L. (Lamiaceae). Antioxidative activity was determined in vitro, using the DPPH reagent by spectrophotometric method. Experimental values are expressed as IC50 values (mg/ml), and show that the tested extracts have high antioxidant activities, which range in scope from 341.08 mg/ml to 29.46 mg/ml. In the tested extracts of plant species Teucrium chamaedys L. quantitative composition of total phenols and flavonoids were determined by spectrophotometric method. Total phenols determined by Folin-Ciocalteu reagent and their amounts in the range of 30.39 mg/g to 169.50 mg/g (expressed as gallic acid equivalent, mg GA/g of extract). The amounts of flavonoids in plant extracts of Teucrium chamaedys L. are in the range of 16.67 mg/g to 87.17 mg/g (expressed as rutin equivalent, mg RU/g of extract).
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