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    STUDIA CHEMIA - Ediţia nr.4 din 2011  
         
  Articol:   ACTIVITATEA ANTIOXIDANTĂ ŞI CONŢINUTUL TOTAL DE FENOLI A UNOR VINURI ROŞII ROMANEŞTI / ANTIOXIDANT ACTIVITY AND TOTAL PHENOLIC CONTENT OF SOME ROMANIAN RED WINES.

Autori:  ANAMARIA HOSU, CLAUDIA CIMPOIU. 		 
       
         
  Rezumat:  The positive health effects of the consumption of wines are due to their phenolic constituents with significant antioxidant activity. The antioxidant activity evaluation of is of major interest to compare the potential antioxidant value of different food, to evaluate their antioxidant intake. The aims of this study were to evaluate the influence of wine variety, vintage year and winery on the atioxidant characteristics of some Romanian red wines. “Fetească Neagră”, “Cabernet Sauvignon” and “Merlot” varieties of red wines, produced in three different vintage year by different Romanian wineries were investigated in terms of antioxidant activity and total phenolic content, by UV-VIS spectrophotometry. The results of this study showed that the wine variety, the vintage year and the winerie affected the antioxidant activity and the phenolic content of wines. Also, linear correlations were found between the antioxidant activity of wines determined by DPPH and ABTS assays, and the antioxidant activity and the total phenolic content of wines.

Keywords: red wine, antioxidant activity, phenolic content, spectrophotometry 		 
         
     
         
         
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