Elemental composition of red wines in Southeast Turkey

Abstract

Değİrmencİ Karataş D., Aydin F., Aydin I., Karataş H. (2015): Elemental composition of red wines in Southeast Turkey. Czech J. Food Sci., 33: 228-236.Mineral profiles of wines and soil extracts were analysed in the five most popular international wines (Cabernet Sauvignon, Syrah, Merlot, Cot, and Tannat) and national Boğazkere, which is one of the highest-quality grapevine varieties grown in Turkey. We carried out study to establish the mineral and metal concentrations in wines from Southeast Anatolia of Turkey. The ICP-OES method was used for accurate determination of concentrations of 12 elements including Ca, Cd, Co, Cu, Fe, K, Mg, Mn, Na, Ni, Pb, and Zn. The high levels of iron, potassium, sodium, and calcium were observed in the wine samples analysed. Major elements were also abundantly found in the soil samples. Minor element contents of wine samples were compatible with results other researches. The amount of metal content in wine is an important issue. A remarkable finding of the study was that heavy metals like Pb (found below acceptable limits only in three samples), Co, and Cd were not detected. The results obtained did not exceed the maximum acceptable limits established by the Office International de la Vigne et du Vin. Our results showed that the mineral compositions of wine and soils were interrelated. The analysis of the soil samples taken from the vineyard locations showed similar results for highest composition of major minerals. The characteristics of the wines produced in the Southeast Region of Turkey were analysed for the first time.

Multi-Elemental Analysis of Wine Samples in Relation to Their Type, Origin, and Grape Variety

“…It should be noted that Zn is a trace element naturally found in soil. For this reason, Zn plays a key role in the growth of plants [ 38 ].…”

Modeling Pinot Noir Aroma Profiles Based on Weather and Water Management Information Using Machine Learning Algorithms: A Vertical Vintage Analysis Using Artificial Intelligence

“…Jackson et al [42] reported a significant and positive correlation between both pH and color and overall wine quality. The importance of TDS, EC, and salt measurements rely on the fact that these are an approach to minerals content [45], which are important in wine quality, as the minerals present in wine have been related to those present in the soil, and these have been associated with the wine's nutritional composition and safety [46].…”

Determination of trace elements in undiluted wine samples using an automatized total sample consumption system coupled to ICP-MS

“…The official methods for the determination of metals in wine, commonly applied in routine laboratories, are based on atomic spectrometry, 3,7,8 including flame atomic absorption spectrometry (FAAS), 3,[7][8][9][10][11][12][13][14] graphite furnace atomic absorption spectrometry (GFAAS), 3,7,8,15,16 inductively coupled plasma optical emission spectrometry (ICP-OES), 3,7,8,[17][18][19][20][21][22] and inductively coupled plasma mass spectrometry (ICP-MS), 3,5,7,8,17,[23][24][25][26][27][28][29][30][31] being the latter the most applied technique in recent years. However, the introduction of organic samples into the plasma source is still a challenge as ICP techniques suffer from severe interferences caused by complex organic matrices, including matrix effects, plasma degradation and soot deposition at the injector tip and interface cones.…”

“…However, the introduction of organic samples into the plasma source is still a challenge as ICP techniques suffer from severe interferences caused by complex organic matrices, including matrix effects, plasma degradation and soot deposition at the injector tip and interface cones. 32,33,34 To circumvent them, several sample preparation approaches have been developed, such as sample dilution, 7,22,35,36,37,38,39,40,41 conventional dry/wet sample digestion, 7,36,42 microwave-or ultraviolet-assisted acid digestion, 7,10,19,22,43,44,45 dealcoholisation 7,42 and analyte separation. 7 However, all these methods show some problems caused by the addition of reagents, potential sample contamination and degradation of limits of detection, among others.…”