Biogenic Amine Production during Spontaneous and Inoculated MLF of Zweigelt Wines (CROSBI ID 254804)
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Jeromel, Ana ; Kovačević Ganić, Karin ; Mihaljević Žulj, Marin ; Maslek, Maja ; Puhelek, Ivana ; Jagatić Korenika, Ana-Marija
engleski
Biogenic Amine Production during Spontaneous and Inoculated MLF of Zweigelt Wines
Biogenic amines are organic nitrogenous compounds produced in wines mainly during malolactic fermentation (MLF). Its presence is a health risk and it could negatively aff ect the wine quality. Th e objective of this work was to determine the biogenic amines content in Croatian Zweigelt wines produced with diff erent MLF inoculation time. Biogenic amines were determined by liquid chromatographic method. Results showed signifi cant infl uence of MLF on the concentrations of biogenic amines. Control wines had the lowest amount of total biogenic amines while wines in which MLF was conducted aft er alcoholic fermentation had signifi cantly the highest concentrations of total biogenic amines. Between them histamine was the most abundant amine ranging from 1.14 mg/L in control wines up to 2.94 mg/L in wines that undergo MLF aft er alcoholic fermentation. It can be concluded that MLF process and time of inoculation can signifi cantly infl uence the formation of biogenic amines. Th ese results suggest that co-inoculation using Oenoccocus oeni commercial strain Uvaferm ß is a worthwhile alternative compared to traditional post AF inoculation for Zweigelt winemaking.
biogenic amines, coinoculation, histamin, Zweigelt
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