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dc.contributor.authorGeçibesler, I.H. and Kiliç, Ö. and Demirtas, I.
dc.date.accessioned2021-04-08T12:08:10Z
dc.date.available2021-04-08T12:08:10Z
dc.date.issued2017
dc.identifier10.23751/pn.v19i1-S.5279
dc.identifier.issn11298723
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85032454461&doi=10.23751%2fpn.v19i1-S.5279&partnerID=40&md5=f48dd51464cddbf252b13f54b8bb2296
dc.identifier.urihttp://acikerisim.bingol.edu.tr/handle/20.500.12898/4547
dc.description.abstractAntioxidant activity of crude water extract (CWE) of this plant and its fve sub-fractions (namely, hexane fraction (HF), chloroform fraction (CFF), ethyl acetate fraction (EAF), n-butyl alcohol fraction (BAF) and rest of the fractions (RF) were measured using in vitro two antioxidant assays: DPPH and ferrous ion chelating. Also, quantitative content of total flavonoids and phenols were carried out by colorimetric methods, using aluminum chloride method and Folin Ciocalteu reagent respectively. CWE and fve sub-fractions possessed diflerent antioxidant activities in antioxidant assays. EAF showed the most potent activity on DPPH radicals and ferrous ion chelating activities with IC50 values of 10.45 and 16.76 μg/ml respectively. EAF had the highest total phenolics (145.06 μg GAE/mg dried extract or fraction) and total flavonoids (50.16 μg QEE/mg dried extract or fraction) contents. Te essential oil of the aerial parts of this plant was analyzed by headspace gas chromatography mass spectroscopy (HS-GC/MS) for the frst time and ffty nine components were identifed representing 95.91% essential oil. 1,8-cineole (28.79%), nepetalactone (9.93%), sabinene (7.88%) and a-pinene (5.71%) were identifed as the major components. Te essential oil analyzes results have given some clues on the commercial usable, renewable resources and potentials usable of the Nepeta taxa. © 1885 Mattioli.
dc.language.isoEnglish
dc.sourceProgress in Nutrition
dc.titleAppraisal of biological activities of crude extracts with subfractions and phytochemical content of endemic Nepeta nuda L. subsp. lydiae from Turkey


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