| Title: | Evaluation of natural occurring bioactive compounds and antioxidant activity in Nuragus white wines |
| Author(s): | Serreli G; Jerkovic I; Marijanovic Z; Gil KA; Tuberoso CIG; |
| Address: | "Department of Biomedical Sciences, Unit of Experimental Pathology, University of Cagliari, Cittadella Universitaria SS 554, 09042 Monserrato, CA, Italy. Department of Organic Chemistry, Faculty of Chemistry and Technology, University of Split, Rudera Boskovica 35, 21000 Split, Croatia. Department of Food Technology, Marko Marulic Polytechnic in Knin, Petra Kresimira IV 30, 22300 Knin, Croatia. Department of Life and Environmental Sciences, University of Cagliari, Via Ospedale 72, 09124 Cagliari, Italy. Department of Life and Environmental Sciences, University of Cagliari, Via Ospedale 72, 09124 Cagliari, Italy. Electronic address: tuberoso@unica.it" |
| DOI: | 10.1016/j.foodres.2017.06.038 |
| ISSN/ISBN: | 1873-7145 (Electronic) 0963-9969 (Linking) |
| Abstract: | "The aim of the present study is to highlight volatile and targeted non-volatile bioactive compounds in Nuragus wines, as a part of Italian DOC (Controlled Origin Designation) white wines. So far there has not been any systematic study of the chemical compositions and antioxidant activity of this monovarietal wine. Phenolic compounds, volatiles and organic acids were analysed and antioxidant capacity was assessed by spectrophotometric assays. Chromaticity coordinates and technological parameters (alcohol, reducing sugars, pH, total and volatile acidity) were also evaluated. Gallic acid (128+/-87mg/L), trans-caftaric acid (81+/-27mg/L) and tyrosol (25+/-8mg/L) were the most abundant phenolic compounds. The major headspace volatiles were isoamyl alcohol (35.8-76.6%) and 2-phenylethanol (5.9-24.9%). In the wine extracts, the most abundant were 2-phenylethanol (12.3-40.0%), 4-hydroxy-2-phenylethanol (12.5-33.3%), diethyl succinate (5.8-30.3%), (Z)-octadec-9-en-1-ol (5.9-18.3%) and tryptophol (2.8-15.6%). Nuragus wines exhibited an excellent antioxidant capacity. The data obtained may help Nuragus wine producers to promote this monovarietal wine as a valid complement associated with the Mediterranean diet" |
| Keywords: | "Antioxidants/*analysis Biphenyl Compounds/chemistry Chromatography, High Pressure Liquid Gallic Acid/analysis Gas Chromatography-Mass Spectrometry Molybdenum/chemistry Pentanols/analysis Phenols/analysis Phenylethyl Alcohol/analogs & derivatives/analysis;" |
| Notes: | "MedlineSerreli, Gabriele Jerkovic, Igor Marijanovic, Zvonimir Gil, Katarzyna Angelika Tuberoso, Carlo Ignazio Giovanni eng Research Support, Non-U.S. Gov't Canada 2017/08/09 Food Res Int. 2017 Sep; 99(Pt 1):571-576. doi: 10.1016/j.foodres.2017.06.038. Epub 2017 Jun 19" |
