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Direct qualitative and quantitative analysis of carbohydrate mixtures using 13C NMR spectroscopy: application to honey by Vanina Mazzoni; Pascale Bradesi; Félix Tomi; Joseph Casanova is a Chemistry article available to read on EtoBox.

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A method is described which allows the identiÐcation of individual carbohydrates of multi-component artiÐcial mixtures using the computer-aided analysis of their 13C NMR spectra, without previous separation. Quantitation of mono-, di-and trisaccharides was carried out after improvement of the experimental procedure and using an internal standard. The procedure was then applied to authentic honeys of di †erent Ñoral types, harvested in Corsica (France). Several oligosaccharides (identiÐcation of some of these is not easy by chromatographic techniques) were observed at levels ranging from 0.4 to 3.3% . In addition, the fructose/glucose ratio, which has an inÑuence on crystallization, was easily obtainable.

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Author

Vanina Mazzoni; Pascale Bradesi; Félix Tomi; Joseph Casanova

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; John Wiley and Sons Ltd; Wiley (ISSN 0749-1581)

Published

1997

Language

EN

Field

Chemistry (Physical Sciences)