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Назив: On the origin of the antioxidant potential of selected wines: combined HPLC, QSAR, and DFT study
Аутори: Šaćirović, Sabina
Đorović Jovanović, Jelena
Dimic, Dusan
Petrović, Zorica
Simijonović, Dušica
Manojlovic, Nedeljko
Antić, Mališa
Marković, Zoran
Датум издавања: 2021
Сажетак: The phenolic compounds, which are rich in red wine, have gained considerable attention due to their antioxidant potential. Selected Serbian wines were analyzed for their antioxidant activity by DPPH test and the total content of phenolic compounds was determined by employing the Folin–Ciocalteu colorimetric method. The major polyphenols were determined by HPLC. The antioxidant activity was correlated with the amount of specific polyphenols (gallic acid, caffeic acid, catechin, epicatechin, myricetin, and kaempferol) by quantitative structure–activity relationship. The origin of the antioxidant potential of wines was discussed based on the individual activity of identified polyphenols and theoretical calculations (at APFD/6-311++G(d,p) level of theory). The thermodynamic parameters of free radical scavenging activity and reactivity towards DPPH·, HO·, and HOO· were explained with special emphasis on the effect of structure and intramolecular interactions in polyphenols. Based on the presented data, the positive effects of selected Serbian wines on humane health and biologically relevant free radicals are concluded. Graphic abstract: [Figure not available: see fulltext.].
URI: https://scidar.kg.ac.rs/handle/123456789/13487
Тип: article
DOI: 10.1007/s00706-021-02828-1
ISSN: 0026-9247
SCOPUS: 2-s2.0-85113282111
Налази се у колекцијама:Faculty of Medical Sciences, Kragujevac
Faculty of Science, Kragujevac
Institute for Information Technologies, Kragujevac

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