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1

Authenticity Tests of White Wines From the Apold Depression

100%
Lengyel E., Sikolya L.
Management of Sustainable Development
|
2014
|
vol. 6
|
issue 2
55-59
EN
This paper aims at establishing distinctive elements regarding the authenticity of the following wines from the Apold vineyard: Sauvignon blanc, Fetească regală and Chardonnay. The paper aims at reviewing the color-giving components specific to white wines. Thus, through HPLC methods, we identified and quantified phenolic compounds which, in the end, presented total values between 86.085 mg/L and 89.272 mg/L. The present study also demonstrates the authenticity of these wines through spectrophotometric methods employed to determine the color of white wines. Based on the results obtained, we established that the studied wines are authentic, as the values resulted from the calculations in the procedure range between 0.015 and 0.019.
2

The Influence of Aroma Compounds on Senzorial Traits of Wines From the Apold Depression

100%
Lengyel E., Sikolya L.
Management of Sustainable Development
|
2015
|
vol. 7
|
issue 1
23-28
EN
The present study aims at investigating aroma compounds in three wine varietals (Pinot gris, Traminer roz, Riesling) from Apold, the county of Sibiu, production of 2014, and their importance in realizing the sensorial profile of wines. Thus, it is ascertained that Traminer roz contains the highest amount of esters - 583.846 mg/L, a value that leads to the sensorial identification of floral and fruity notes. Higher alcohols determined through chromatography imprint specific traits to Pinot gris wines: bittersweet, floral notes validated through the determined amount (479.449 mg/L). Another wine trait is the concentration of higher fatty acids which reach an amount of 252.667 mg/L in Riesling wines, conferring distinctive floral notes. The concentration of aldehydes reaches 38 mg/L in Pinot gris wine, 32.996 mg/L in Traminer roz wine; these balanced, low values do not have a negative influence on sensorial traits of these wines. Terpenes compounds are represented by nerol and α-terpineol, whose values confer rose, lemon verbena and fruity notes, especially in the case of Traminer roz.
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