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THE EFFECT OF PARTIAL DEFOLIATION ON MONOTERPENE LEVELS OF GEWURZTRAMINER WINE (Vitis vinifera L.)

Marko Karoglan ; Agronomski fakultet Sveučilišta u Zagrebu,Zagreb,Hrvatska
Bernerd Kozina ; Agronomski fakultet Sveučilišta u Zagrebu,Zagreb,Hrvatska
Ana Jeromel ; Agronomski fakultet Sveučilišta u Zagrebu,Zagreb,Hrvatska
Sandi Orlić ; Agronomski fakultet Sveučilišta u Zagrebu,Zagreb,Hrvatska


Puni tekst: hrvatski pdf 172 Kb

str. 35-40

preuzimanja: 1.458

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Sažetak

It is well known that different viticultural practices have an important influence on the quality of grapes, must and wine. Aiming to examine impact of partial defoliation we were measured composition of the aromatic components in the wine of Gewurztraminer, winegrowing hills of Zagreb, subregion Prigorje-Bilogora. Partial defoliation, i.e. removing of 4 (D1) and 8 (D2) basal leaves, conducted manually at veraison and grapevines without defoliation (ND-non defoliated) were used as control. Samples for analyses were taken after filtration, stabilization and bottling of wine. It was shown that the wine made from completely sun exposed grapes (D2), were the richest in the content of free volatile terpenes (FVT) and potentially volatile terpenes (PVT) respectively.

Ključne riječi

Gewurztraminer; partial defoliation; free volatile terpenes; potentialy volatile terpenes

Hrčak ID:

25880

URI

https://hrcak.srce.hr/25880

Datum izdavanja:

17.7.2008.

Podaci na drugim jezicima: hrvatski

Posjeta: 2.690 *