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Phenolic characterization and antioxidant activity of Rhine Riesling wine from Croatia, subregion Zagorje (CROSBI ID 510267)

Prilog sa skupa u zborniku | ostalo | međunarodna recenzija

Komes, Draženka ; Lovrić, Tomislav ; Kovačević Ganić, Karin ; Dragović-Uzelac, Verica ; Gracin, Leo ; Banović, Mara Phenolic characterization and antioxidant activity of Rhine Riesling wine from Croatia, subregion Zagorje // INTRADFOOD-Innovations in Traditional Foods - book of proceedings. Valencia, 2005

Podaci o odgovornosti

Komes, Draženka ; Lovrić, Tomislav ; Kovačević Ganić, Karin ; Dragović-Uzelac, Verica ; Gracin, Leo ; Banović, Mara

engleski

Phenolic characterization and antioxidant activity of Rhine Riesling wine from Croatia, subregion Zagorje

Rhine Riesling wine is one of the most abundant white wines in the continental region of Croatia, especially subregion Zagorje. The phenolic composition of Rhine Riesling wine including hydroxybenzoic acids, hydroxycinnamic acids and flavan-3-ols was identified and quantified by using a reverse-phase high-performance liquid chromatography (HPLC) system coupled with diode array detection. In this white wine caffeic and vanilic acid were the predominant phenolic acids. Flavan-3-ols were presented at low content. The total phenolic content, determined according to the Folin-Ciocalteu method, varied from 342.8 to 473.8 mg/L, expressed as galic acid equivalents (GAE). The antioxidant activity of wine was measured by β -carotene bleaching (BCB) and 2, 2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging methods. A good correlation was found to exist between the total polyphenol content of wine and their antioxidant activity measured by the DPPH (r= 0.9268) and by the β -carotene bleaching (r= 0.9292) methods, as well as between the results of both used methods (r= 0.9591). The obtained results indicate that Rhine Riesling wine appear to be an important source of dietary polyphenolic antioxidant, which might provide additional protective role in human health.

antioxidant activity; HPLC; Rhine Riesling; polyphenols

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Podaci o prilogu

2005.

objavljeno

Podaci o matičnoj publikaciji

INTRADFOOD-Innovations in Traditional Foods - book of proceedings

Valencia:

Podaci o skupu

INTRADFOOD-Innovations in Traditional Foods

poster

25.10.2005-29.10.2005

Valencia, Španjolska

Povezanost rada

Prehrambena tehnologija