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A study on the aroma compounds of apricot wines produced from Tokaloğlu variety

2009
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Advisor: Prof. Dr. Turgut Cabaroğlu

Abstract (EN)

In this study, suitability of production to different types of wines (dry, fortified and mistelle) from Tokaloğlu apricot variety grown in Mersin-Mut region and aroma compounds of these wines were investigated. After adjusting of pulp composition by the addition of water and sugar, for the production of mistelle wine (16.5% v/v alcohol, 89.8 g/L sugar) adjusted apricot juice and agricultural orgine alcohol were mixed,; for the production of fortified wine (15.3% v/v alcohol, 53.0 g/L sugar) the fermentation was stopped at 6 % (v/v)alcohol level with addition of agricultural orgine alcohol; for the production of dry wine (7.7 % v/v alcohol) the fermantation was carried out until all sugar was consumed. Aroma compounds were extracted with pentan/dicloromethane and then quantified and identified by GC-MS-FID. Wines were also evaluated by chemical and sensory analyses.In Tokaloğlu pulp, 27 aroma compounds were identified with the total amaunt of 2.97 mg/kg, the most active compounds were ß-ionone, ?-decalactone ve ?-dodecalacton.In dry, fortified and mistelle wines, 90, 92 and 49 aroma compounds, respectively were identified and their amounts were 119.3 mg/L, 100.3 mg/L and 5.2 mg/L respectively. The most active compounds of apricot wines ethyl valerate, isoamyl acetate, eugenol, ?-decalactone and ?-dodecalactone.Tokaloğlu variety was suitable for the production of alcoholic beverages with respect to general and aroma composition; from the point of aroma composition and sensory evaluation, fortified and mitselle wines were the most suitables type among the wines.

Author

Melek Lora Sakarlı

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Melek Lora Sakarlı (Master Thesis). A study on the aroma compounds of apricot wines produced from Tokaloğlu variety, 2009, Çukurova University, Gıda Mühendisliği Bölümü.

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