A COMPARATIVE STUDY OF ANTIOXIDANT PROPERTIES OF EXTRACTS OBTAINED FROM RENEWABLE FORESTRY AND AGRICULTURAL RESOURCES

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dc.contributor.authorYesil-Celiktas, Ozlem
dc.date.accessioned2019-10-27T20:20:21Z
dc.date.available2019-10-27T20:20:21Z
dc.date.issued2009
dc.departmentEge Üniversitesien_US
dc.description.abstractRenewable forestry and agricultural resources collected from various locations of Turkey were subjected to evaluation as potential phytochemicals. Antioxidant activities of 4 pine bark extracts (Pinus brutia, Pinus sylvestris, Pinus nigra and Pinus pinea), a commercial product (Pycnogenol (R)), and 3 industrial extracts of olive leaves (olive leaf extract, olive leaf juice and olive mill wastewater pulp) were determined using in vitro antioxidant activity, radical scavenging assays and P-carotene bleaching method. P. brutia extract revealed the highest activity (936.6 mg GAE/g extract; EC(50): 8.1 mu g/ml), whereas pine bark extracts showed higher activities than the industrial extracts of olive leaf. Additionally, extent of lipid peroxidation in cooked turkey meat was the lowest in P. brutia extract (0.92 to 3.78 mg MDA/kg) during 7 days of storage. Results presented here indicate that bark of Pinus species other than P. maritima and olive leaves offer the prospects of new bio-resources to be utilized in the industry.en_US
dc.description.sponsorshipResearch Fund of Ege UniversityEge University [06MUH007]en_US
dc.description.sponsorshipResearch Fund of Ege University is gratefully acknowledged for financial support (06MUH007). Special thanks to Horphag Research Ltd., UK for donating Pycnogenol (R).en_US
dc.identifier.endpage1512en_US
dc.identifier.issn1018-4619
dc.identifier.issn1018-4619en_US
dc.identifier.issue8en_US
dc.identifier.startpage1507en_US
dc.identifier.urihttps://hdl.handle.net/11454/41615
dc.identifier.volume18en_US
dc.identifier.wosWOS:000269855800017en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isoenen_US
dc.publisherParlar Scientific Publications (P S P)en_US
dc.relation.ispartofFresenius Environmental Bulletinen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPinusen_US
dc.subjectPycnogenol (R)en_US
dc.subjectpine bark extracten_US
dc.subjectolive leaf extracten_US
dc.subjectantioxidant activityen_US
dc.subject2,2-Diphenyl-1-picrylhydrazyl (DPPH) radicalen_US
dc.subjectbeta-carotene bleachingen_US
dc.subjectmeaten_US
dc.subjectoxidationen_US
dc.titleA COMPARATIVE STUDY OF ANTIOXIDANT PROPERTIES OF EXTRACTS OBTAINED FROM RENEWABLE FORESTRY AND AGRICULTURAL RESOURCESen_US
dc.typeArticleen_US

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