EVALUATION OF ANTIOXIDANT ACTIVITY OF THE PLANT TEUCRIUM CAPITATUM L AND SILENE VULGARIS
Journal Title: World Journal of Pharmaceutical and life sciences - Year 2018, Vol 4, Issue 1
Abstract
For the evaluation of the antioxidant activity of the extracts of Silene vulgaris and Teucrium capitatum L and of the essential oils of the latter two tests were carried out: The DPPH (2, 2-diphenyl-1-picrylhydrazyl) test and the ABTS (2,2'-azinobis (3-ethylbenzothiazoline-6-sulfonic acid). The antiradical potential of the extracts and oils was determined by two different methods: The DPPH test and the ABTS test. For the essential oil of the plant Teucrium capitatum L, the results show an important power to trap the DPPH, ABTS radicals with respective EC50 values of [17.56 ± 0.15 μg.ml-1] and [1.2 ± 0.20 μg. ml-1]. These values indicate that the oil of this plant has a more powerful antioxidant power than the standards used. As regards extracts by organic solvents, we found that the ethanolic extract of the plant of Teucrium capitatum L has the highest anti-free radical activity, respectively, with EC50 values of 0.66 ± 0.03 mg. ml-1 and 0.55 ± 0.01mg. ml-1 for both DPPH and ABTS. For extracts of Silene vulgaris the antioxidant power is estimated by the following EC50 values: DPPH test (0.50 ± 0.01 mg.ml-1) and ABTS test (0.03 ± 0.81 mg.ml-1).
Authors and Affiliations
Jalila El Amri
Keywords
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