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INVESTIGATION OF ANTIOXIDANT POTENTIALS OF SOLVENT EXTRACTS FROM DIFFERENT ANATOMICAL PARTS OF ASPHODELINE ANATOLICA E. TUZLACİ: AN ENDEMIC PLANT TO TURKEY
Scopus
Open Access Toplam 186 atıf DOI
Background: The genus Asphodeline (Liliaceae) is represented in Turkey by 20 taxa, which are traditionally used for medicinal purposes in Anatolia. Materials and Methods: In this study, we tested the phytochemical content and antioxidant effect of different solvent extracts obtained from different anatomical parts of Asphodeline anatolica. The different extracts of each plant parts were tested for antioxidant activity using different chemical assays. The total antioxidant components were also calculated. Results: Generally, acetone extracts produced the seed and root exhibited significantly higher antioxidant activity with high antioxidant components. Total phenolic content of extracts were significantly correlated with antioxidant potentials (except for, metal chelating activity). Conclusion: On the basis of the results obtained, A. anatolica extracts should be regarded as a valuable source of natural antioxidants for food and therapeutic applications.
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Phenolic constituent, antioxidative and tyrosinase inhibitory activity of Ornithogalum narbonense L. from Turkey: A phytochemical study
Scopus
Havuzumuzda 116 atıf almış
This study examined the antioxidant and anti-tyrosinase activity and phenolic profiles of three extracts (ethyl acetate, methanol and water) obtained from different anatomical parts (bulb, stem and seed) of Ornithogalum narbonense. Antioxidant activity of the extracts was evaluated using DPPH*, ABTS+*, FRAP, CUPRAC, metal chelating and phosphomolybdenum assays. Tyrosinase inhibitory activity was measured using the modified dopachrome method with l-DOPA as the substrate. Phenolic content of the extracts varied according to plant part and extraction solvent and included HPLC-DAD, epicatechin, rutin, ferulic, protocateuchic p-hydroxybenzoic, chlorogenic, caffeic, benzoic and rosmarinic acids. The ethyl acetate extract of O. narbonense bulb samples demonstrated the most antioxidant and anti-tyrosinase activity and had the highest phenolic content. All other extracts showed moderate antioxidant and anti-tyrosinase activity. O. narbonense extracts, especially ethanol extract of O. narbonense bulbs, may have dietary and medicinal applications.
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Kurumlar (1)
Selçuk Üniversitesi
Selçuklu, Turkey