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https://open.uns.ac.rs/handle/123456789/8195
Title: | Antioxidant characterization of oak extracts combining spectrophotometric assays and chemometrics | Authors: | Popović, Boris Štajner D. Ždero R. Orlović, Slobodan Galić, Zoran |
Issue Date: | 1-Jan-2013 | Journal: | The Scientific World Journal | Abstract: | Antioxidant characteristics of leaves, twigs, and acorns from two Serbian oak species Quercus robur L. and Quercus petraea L. from Vojvodina province (northern Serbia) were investigated. 80% ethanol (in water) extracts were used for antiradical power (ARP) determinations against D P P H •, N O •, and O 2 - radicals, ferric reducing antioxidant power (FRAP), total phenol, tannin, flavonoid, and proanthocyanidin contents. Permanganate reducing antioxidant capacity (PRAC) was determined using water extracts. Beside, mentioned parameters, soluble proteins, lipid peroxidation (LP), pigments and proline contents were also determined. The data of different procedures were compared and analyzed by multivariate techniques (correlation matrix calculation and principal component analysis (PCA)). PCA found that investigated organs of two different oak tree species possess similar antioxidant characteristics. The superior antioxidant characteristics showed oak leaves over twigs and acorns and seem to be promising source of antioxidants with possible use in industry and pharmacy. © 2013 Boris M. Popović et al. | URI: | https://open.uns.ac.rs/handle/123456789/8195 | DOI: | 10.1155/2013/134656 |
Appears in Collections: | ILFE Publikacije/Publications |
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