Chemical characterization of wine

Ivanova, Violeta (2023) Chemical characterization of wine. In: 21st International Symposium and Summer School on Bioanalysis, 10-15 July 2023, Târgu Mureș, Romania.

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Abstract

Introduction and objectives: Wine consists of numerous organic and inorganic compounds which determine its quality. Therefore, chemical characterization of wine is very important to be determined in order to understand how the compounds are changing during the winemaking and influencing the taste and aroma.
Materials and methods: The chemical composition of wine was characterized by chromatographic (HPLC-DAD, HPLC-MS, UPLC-QTOF-MS, GC-MS) and spectroscopic methods (AAS, ETAAS, ICP-OES, ICP-MS) as well as with traditional volumetric analytical techniques.
Results and discussion: Determination of organic acids, biogenic amines and polyphenols was performed by reversed phase high-performance liquid chromatography (RP-HPLC) using C18 column for separation of analytes. Detection of compounds was performed with DAD, MS and Q-TOF-MS detectors. Analysis of aroma compounds was performed by gas chromatography coupled to mass spectrometry (GC-MS), while multielement analysis of wines is performed with electrothermal atomic absorption spectroscopy (ETAAS), inductively coupled plasma - optical emission spectrometry (ICP-OES) and inductively coupled plasma - mass spectrometry (ICP-MS). Wines presented complex chemical composition, confirming the stability and importance to the quality.
Conclusions: Advanced analytical techniques were applied for Macedonian red and white wines analysis, including spectroscopic and chromatographic methods, assessing the chemical composition and quality.

Keywords: wine composition, chromatography, spectroscopy.

Item Type:	Conference or Workshop Item (Lecture)
Subjects:	Natural sciences > Chemical sciences Agricultural Sciences > Other agricultural sciences
Divisions:	Faculty of Agriculture
Depositing User:	Violeta Ivanova Petropulos
Date Deposited:	04 Sep 2023 09:01
Last Modified:	04 Sep 2023 09:01
URI:	https://eprints.ugd.edu.mk/id/eprint/32126

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