Antioxidant capacity and total phenolic content of selected plants from Turkey

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dc.authoridKirca Toklucu, Aysegul/0000-0001-9293-9063
dc.contributor.authorKirca, Ayseguel
dc.contributor.authorArslan, Esra
dc.date.accessioned2025-01-27T20:44:11Z
dc.date.available2025-01-27T20:44:11Z
dc.date.issued2008
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractA total of 28 different plants from different regions of Canakkale, Turkey, were investigated for their antioxidant capacity and total phenol contents to find new potential sources of natural antioxidants. The antioxidant capacity of methanolic extracts prepared from various parts of plants was evaluated by both trolox equivalent antioxidant capacity (TEAC) and 2,2-diphenyl-1-picrylhydrazyl (DPPH) assays, while the total phenolics were determined using the Folin-Ciocalteu method. The TEAC values of plant extracts ranged in a large scale from 1472.36 to 17.61 mu mol of trolox equivalents per g dry weight (dw), and EC50 values (concentration at which 50% radical scavenging occurred) varied from 0.174 to 42.475 mg dw of plant, while the total phenol content of plant extracts ranged between 117.20 and 1.27 mg of gallic acid equivalents per g dw. There was a positive linear correlation between the TEAC and total phenols of plant materials (r = 0.916). The extracts of Hypericum perforatum, Arbutus andrachne and Paliurus spina-christii showed higher antioxidant activities (both TEAC and DPPH assays). However, there was no clear relationship between TEAC and EC50 values (r = 0.477) of plant extracts.
dc.description.sponsorshipThe Scientific and Technological Council of Turkey [104 O 292]
dc.description.sponsorshipThis study is in part of Miss Arslan's MS thesis and was supported by 'The Scientific and Technological Council of Turkey' (Grant # 104 O 292). The authors thank Assoc Prof Dr Hakan Turhan and Teaching Assistant Onur S. Turkmen ( Department of Agricultural Engineering) for their help in collecting plant materials, and Teaching Assistant Ersin Karabacak (Department of Biology) for his kind identification of plant materials.
dc.identifier.doi10.1111/j.1365-2621.2008.01818.x
dc.identifier.endpage2046
dc.identifier.issn0950-5423
dc.identifier.issn1365-2621
dc.identifier.issue11
dc.identifier.scopus2-s2.0-54049137219
dc.identifier.scopusqualityQ1
dc.identifier.startpage2038
dc.identifier.urihttps://doi.org/10.1111/j.1365-2621.2008.01818.x
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24499
dc.identifier.volume43
dc.identifier.wosWOS:000260014900017
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofInternational Journal of Food Science and Technology
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectAntioxidant capacity
dc.subject2,2'-azinobis(3-ethylbenzo-thiazoline-6-sulfonic acid
dc.subject2,2-diphenyl-1-picrylhydrazyl
dc.subjecttotal phenolics
dc.subjectTurkish plants
dc.titleAntioxidant capacity and total phenolic content of selected plants from Turkey
dc.typeArticle

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