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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.
3

Identification and Quantification of Phenolic Compounds in White Wines From the Apold Vineyard

100%
Lengyel E., Oprean L.
Management of Sustainable Development
|
2014
|
vol. 6
|
issue 2
65-67
EN
Wines contain a wide range of aromatic compounds, each having its share in the characterization of the end product. This paper aims at highlighting the phenolic compounds that are present in three types of wine from the Apold Vineyard, compounds that have been determined by modern chromatographic methods. Anthocyanins, flavans, flavones and flavonoids, phenolic acids and microphenolic compounds have been determined in three wines: Pinot gris, Neuburger and Furmint. The results have led to the characterization of these wines and their classification according to the parameters acknowledged by the international authorities.
4

Assessment of Anthropogenic Ecological Systems in the Apold Depression to a Sustainable Management

81%
Lengyel E., Stegăruş D. I., Ciucure C. T., Tiţa O.
Management of Sustainable Development
|
2015
|
vol. 7
|
issue 1
13-17
EN
The Apold Depression and especially the locality of Apoldu de Jos are mentioned in historical writings from the earliest times. It was mentioned in official documents as early as 1288 by the king of Hungary, Ladislaus IV the Cuman (1272- 1290). A community of free people, they harnessed their natural resources in such a way that they still have a good reputation. Sustainable management of this area is very important for viticulture and agriculture. Due to its geographical position, the Apold Depression was always a favorable place for the cultivation of grapevine. The crops recorded the mark of a redox environment which favors the accumulation of free and bonded aromas in grapes. The research studies have shown that these aromas are clearly influenced by the geological structure of the area, soil composition, climate, exposure, slope, abundance of precipitations. All these give typicality to the wines of a vineyard (goût de terroir).
5

Studies Concerning the Hygiene Conditions from the Sadu Farm, Romania

61%
Tiţa M.-A., Oprean L., Lengyel E., Iancu R. M., Tiţa O., Simian C.
Management of Sustainable Development
|
2014
|
vol. 6
|
issue 2
79-85
EN
This paper aims to establish the conditions of hygiene of the breeding farm from Sadu, Romania, by monitoring the microbiological indicators such as hospital attendant TNG, total number of yeasts and molds, and total number of coliforms in shelters and on milking equipment. By monitoring air microbial flora, containers used for milking and hygiene of livestock (sheep and cow) values are found by the standards in force, with the recommendation to improve the quality of these parameters in order to reduce the values at lower limits.
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