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dc.contributor.authorCan, Ayse
dc.contributor.authorOzsoy, Nurten
dc.contributor.authorKultur, Sukran
dc.contributor.authorBaser, K. H. Can
dc.contributor.authorDemirci, Betul
dc.contributor.authorSerbetci, Tuba
dc.date.accessioned2021-03-02T22:39:30Z
dc.date.available2021-03-02T22:39:30Z
dc.identifier.citationSerbetci T., Ozsoy N., Demirci B., Can A., Kultur S., Baser K. H. C. , "Chemical composition of the essential oil and antioxidant activity of methanolic extracts from fruits and flowers of Hypericum lydium Boiss.", INDUSTRIAL CROPS AND PRODUCTS, cilt.36, ss.599-606, 2012
dc.identifier.issn0926-6690
dc.identifier.otherav_0df1ea33-849c-4037-b14a-59c109ab34ea
dc.identifier.othervv_1032021
dc.identifier.urihttp://hdl.handle.net/20.500.12627/14959
dc.identifier.urihttps://doi.org/10.1016/j.indcrop.2011.11.002
dc.description.abstractThis study was conducted to evaluate the essential oil composition and antioxidant activity of methanolic extracts from fruits and flowers of Hypericum lydium Boiss., a wild growing species of the Turkish flora. The antioxidant activities were determined through several biochemical assays. Both extracts showed an inhibitory effect against the formation of TBARS in a phosphatidylcholine liposome model system, moderate scavenging effect on DPPH center dot and superoxide radicals, prominent reducing power and inhibitory effect on deoxyribose degradation in both the nonsite and site-specific assay, but a greater hydroxyl radical scavenging activity was observed in the non-site specific assay, suggesting that the extracts were better at scavenging hydroxyl radicals than at chelating iron. Correlation analysis indicated that there was a linear relationship between antioxidant potency, free-radical scavenging activity, reducing power and the content of flavonoids of fruits and flowers extracts. The essential oils obtained by hydrodistillation were analyzed by GC and GC-MS. In total forty-three compounds were identified. The most abundant components were monoterpenes hydrocarbons represented principally by alpha-pinene. The tested oil showed no antioxidant activity. (C) 2011 Elsevier B.V. All rights reserved.
dc.language.isoeng
dc.subjectToprak ve Bitki Besleme
dc.subjectTARIM MÜHENDİSLİĞİ
dc.subjectTarım Bilimleri
dc.subjectTarım ve Çevre Bilimleri (AGE)
dc.subjectTARIM BİLİMİ
dc.subjectZiraat
dc.subjectTarımsal Bilimler
dc.subjectToprak Verimliliği ve Gübreleme
dc.titleChemical composition of the essential oil and antioxidant activity of methanolic extracts from fruits and flowers of Hypericum lydium Boiss.
dc.typeMakale
dc.relation.journalINDUSTRIAL CROPS AND PRODUCTS
dc.contributor.departmentİstanbul Üniversitesi , Eczacılık Fakültesi , Temel Eczacılık Bilimleri Bölümü
dc.identifier.volume36
dc.identifier.startpage599
dc.identifier.endpage606
dc.contributor.firstauthorID2201967


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