Repozitorij Univerze v Novi Gorici

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1.
Vpliv interaktivnih kvasovk na fizikalno-kemijsko sestavo in kakovost rdečega vina 'Merlot'
David Rustja, 2012, diplomsko delo

Najdeno v: osebi
Ključne besede: diplomske naloge, vino, Merlot, Vipavska dolina, polifenoli, antociani, proantocianidini, senzorična ocena
Objavljeno: 15.10.2013; Ogledov: 1612; Prenosov: 120
URL Polno besedilo (0,00 KB)
Gradivo ima več datotek! Več...

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Polifenolni profil grozdja sorte 'Refošk' (Vitis vinifera) letnika 2011 na Krasu
Borut Hrovatin, 2014, diplomsko delo

Najdeno v: osebi
Ključne besede: diplomske naloge, Refošk, Kras, antocianini, HPLC, spektrofotometer
Objavljeno: 25.04.2014; Ogledov: 1854; Prenosov: 73
URL Polno besedilo (0,00 KB)
Gradivo ima več datotek! Več...

5.
Vpliv kisika in hrastovih nadomestkov na fizikalno-kemijsko sestavo in kakovost rdečega vina 'Refošk'
Iztok Kavrečič, 2014, diplomsko delo

Najdeno v: osebi
Ključne besede: diplomske naloge, Refošk, kisik, hrastovi nadomestki, mikrooksigenacija, polifenoli, senzorična analiza
Objavljeno: 25.04.2014; Ogledov: 1707; Prenosov: 114
URL Polno besedilo (0,00 KB)
Gradivo ima več datotek! Več...

6.
Combined effects of early season leaf removal and climatic conditions on aroma precursors in ‘Sauvignon blanc’ grapes
Andreja Vanzo, Paolo SABBATINI, Klemen Lisjak, Marijan Bubola, Melita Sternad Lemut, Lorena Butinar, Branka Škvarč, Jose Carlos HERRERA, Rachele FALCHI, Paolo Sivilotti, 2017, izvirni znanstveni članek

Opis: Early leaf removal around the cluster zone is a common technique applied in cool climate viticulture, to regulate yield components and improve fruit quality. Despite the increasing amount of information on early leaf removal and its impact on total soluble solids, anthocyanins and polyphenols, less is known regarding aroma compounds. In order to verify the hypothesis that defoliation, applied before or after flowering, could impact the biosynthesis of thiol precursors, we performed a two year (2013 and 2014) experiment on Sauvignon blanc. We provided evidence that differential accumulation of thiols precursors in berries is affected by the timing of defoliation and this impact was related to modifications in biosynthetic pathway. Furthermore, the possible interaction between leaf removal treatment and seasonal weather conditions, and its effect on the biosynthesis of volatile precursors are discussed. Our results suggested that in Sauvignon blanc the relative proportion of 4-S-glutathionyl-4-methylpentan-2-one (G-4MSP) and 3-S-glutathionylhexan-1-ol (G-3SH) precursors can be affected by defoliation, and this could be related to the induction of two specific genes encoding glutathione-S-transferases (VvGST3 and VvGST5), while no significant effects on basic fruit chemical parameters, polyphenols and methoxypyrazines were ascertained under our experimental conditions.
Najdeno v: osebi
Ključne besede: early leaf removal, cluster exposure, thiol precursors, methoxypyrazines, glutathione S-transferase, Vitis vinifera
Objavljeno: 31.08.2017; Ogledov: 148; Prenosov: 0
.pdf Polno besedilo (1,04 MB)

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