| Issue |
BIO Web of Conferences
Volume 5, 2015
38th World Congress of Vine and Wine (Part 1)
|
|
|---|---|---|
| Article Number | 02017 | |
| Number of page(s) | 7 | |
| Section | Oenology | |
| DOI | https://doi.org/10.1051/bioconf/20150502017 | |
| Published online | 01 July 2015 | |
Effect of terroir on the phenolic compounds of Muscat of Bornova Wines from 3 different sub-regions of Aegean, Turkey
1 Adana Science and Technology University, Faculty of Engineering and Natural Sciences, Food Engineering Department, Adana, Turkey
2 Cukurova University, Agriculture Faculty, Food Engineering Department, Adana, Turkey
3 Ege University, Agriculture Faculty, Horticulture Department, İzmir, Turkey
Characterization of the phenolic compounds of wines from Muscat of Bornova, a native aromatic white grape variety (Vitis vinifera) grown in the Aegean region of Turkey and the influence of terroir (Menderes, Halilbeyli and Kemaliye sub- regions) on these compounds were investigated. From Muscat of Bornova growing sub regions, Menderes/İzmir has a typical Mediterranean climate at around 90 m altitude which is located Eagean cost area with a fertile sandy-loamy soil; Halilbeyli/İzmir sub-region is located in inner İzmir, close to Manisa with 115 m altitude with same soil structure of Menderes. Kemaliye/Manisa has a transition climate between Mediterranean and continental climate at about 245 m altitude. Its soil is pale with a distinct amount of lime (∼30%) and sandy-loamy, as well. High performance liquid chromatography-diode array dedector (HPLC-DAD) and mass spectrometry (MS) were used for the phenolic compounds analysis. Four flavanols, eight phenolic acids and a flavonol were identified and quantified. It was observed that the total phenolic content in the Halilbeyli sub-region was the highest, fol- lowed by the Menderes and Kemaliye sub-regions. Procyanidin B4 was the most abundant flavanol and quercetin-3-O-glucoside was the only flavonol identified in all regions’ wines. Sensory analysis was also used to investigate the influences of terroir. Statistically significant (0.05) regional differences were observed. Based upon sensory analysis, the wine obtained from Halilbeyli was darker in color, and had more astringency and bitterness than the others, and was the least popular wine. Kemaliye and Menderes were both preferred due to their better coloring, flavour, less astringency and bitterness attributes.
© Owned by the authors, published by EDP Sciences, 2015
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