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Articles by Salih Yildiz
Total Records ( 1 ) for Salih Yildiz
  Esra Maltas and Salih Yildiz
  Back ground: Ginkgo biloba has been described as a living fossil, being last remaining member of the Ginkgoaceae family. Method: Antioxidant activity of different extracts from Ginkgo biloba grown in Turkey was evaluated by β-carotene-linoleic acid model system, 2,2-diphenyl-1-picrylhydrazyl (DPPH) analysis and inhibition of H2O2. Total phenolic and flavonoid contents of the extracts were determined by Folin-Ciocalteu and flavonoid-aluminium chelating method. Several phytochemicals in the extracts were analysed by using high performance liquid chromatography. Results: The results indicated that methanolic extract had strong antioxidant activity than acetone and hexane extracts and also highest phenolic and flavonoid contents. The main components were catechin hydrate in methanol extract, rutin in acetone extract and quercetin in hexane extract. Conclusion: Ginkgo biloba grown in Turkey was also a potential source as antioxidant comparison with endemic Ginkgo biloba from China, Japan and America.
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