Aromatične spojine vina teran PTP

Helena BAŠA ČESNIK, Dejan BAVČAR, Klemen LISJAK

Povzetek


Vino Teran PTP je zaščiteno vino s priznanim tradicionalnim poimenovanjem, ki ga pridelujejo iz grozdja sorte ꞌRefoškꞌ v vinorodnem okolišu Kras v Sloveniji (European Union, 2009; Pravilnik, 2008). Aromatični profil vina Teran PTP smo spremljali tri leta v 82 vzorcih iz letnikov 2011, 2012 in 2013. Določevali smo vsebnost 16 hlapnih spojin. Za določitev hlapnih spojin smo uporabili ekstrakcijo tekoče-tekoče, kateri je sledila določitev z GC-MS. Za vseh 16 spojin smo izračunali aktivne vonjalne vrednosti in njihove relativne prispevke. Med senzorično pomembnimi hlapnimi spojinami smo največje aktivne vonjalne vrednosti določili za etil oktanoat, etil heksanoat, izoamil acetat in etil butirat. Drugi raziskovalni članki so tudi pokazali, da so vsa preiskovana rdeča vina z izjemo enega vsebovala etil oktanoat, etil heksanoat, isoamil acetat in etil butirat nad pragom zaznave.

Ključne besede


vino; Teran PTP; hlapne spojine; estri; aroma; aromatične spojine; GC/MS

Celotno besedilo:

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Literatura


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DOI: http://dx.doi.org/10.14720/aas.2015.105.1.01

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