New approach for wine authenticity screening by a cumulative <sup><b>1</b></sup>H and <sup><b>2</b></sup>H qNMR
Journal: BIO Web of Conferences
Year: 2019

New methodological approach for rapid control of wine authenticity without sample preparation, based on the quantitative NMR spectroscopy (qNMR) of the protium 1 H and deuterium 2 H nucleus is suggested. The content of dominant (e.g. water, ethanol) and some minor (e.g. glycerol, organic acids) components of wine are determined from qNMR 1 H spectra for authentication of molecular composition. The sum of all exchanging hydrogen atoms of wine's components provide the 1 H signal with a chemical sh