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Rossi, Sara; Bestulić, Ena; Horvat, Ivana; Plavša, Tomislav; Lukić, Igor; Bubola, Marijan; Ganić, Karin Kovačević; Ćurko, Natka; Jagatić Korenika, Ana-Marija; Radeka, Sanja
Food science & technology, 01/2022, Volume: 154Journal Article
The effect of four different winemaking processes on phenolic compounds, macro- and microelements, and taste sensory attributes of Teran red wines was studied. The study covered seven days of maceration as a control (TM7), prolonged 10-day maceration (TM10), prolonged post-fermentative 21-day maceration (TM21), and 48-h pre-fermentative maceration heating at 45 °C followed by eight-day standard maceration (TPHT). Phenolic compounds were analyzed using high-performance liquid chromatography with UV–Vis diode array and fluorescence detection. Analysis of macro- and microelements was conducted by inductively coupled plasma - optical emission spectrometry. Sensory profiles of wine samples were obtained using quantitative descriptive analysis and the 100-point O.I.V./U.I.O.E. method. The results showed a significant increase of 25% in total flavan-3-ols content in TM21 wine. The concentrations of hydroxybenzoic acids increased significantly upon TM21 and TPHT treatment, while particular hydroxycinnamic acids showed a significant increase after TPHT treatment. The obtained results showed differences in the content of macro- and microelements, with significantly higher values of particular elements in TM21 and TPHT wines. Sensory analysis results corresponded to the chemical content of the wines to a great extent. The findings showed that TM21 and TPHT treatments have a positive influence on the taste attributes of the investigated wines. Display omitted •Maceration applied for 7, 10, and 21 days (TM7, TM10, and TM21).•Pre-fermentative maceration heating treatment (TPHT) at 45 °C for initial 48 h.•Phenols, macro- and microelements, and sensory attributes were examined.•TPHT produced more phenols, microelements and positively affected taste attributes.•TM21 produced more phenols, macroelements and positively affected taste attributes.
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