Wine analysis by 1D and 2D NMR spectroscopy (CROSBI ID 83168)
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Podaci o odgovornosti
Košir, Iztok ; Kocjančić, Mitja ; Kidrič, Jurka
engleski
Wine analysis by 1D and 2D NMR spectroscopy
We have measured 1D and 2D, H and C NMR spectra of selected Slovenian wines. Partial assigment of H and C resonances of alanine, valine, leucine, isoleucine, ethanol, glycerol, butylenglycol and acetic, tartaric, lactic and malic acids in the wine samples was carried out by combinationof homo and heteronuclear experiments COSY, HSQC and HMBC with know spectra of individual compounds. The spectra of wines of different variety, vinage and geographical areas differ manly in the mensity of particular signals but also in the appearance of some signal which offerss the possibillity follow the variabillity in their chemical composition on the ground of H and C signals.
wine analysis; chemical composition; NMR spectroscopy- two dimensional experiments
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