Proton high-field NMR study of tomato juice

Anatoli P. Sobolev, Annalaura Segre, Raffaele Lamanna

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A detailed analysis of the proton high-field (600 MHz) NMR spectra of tomato juice and pulp is reported for the first time. A combination of J-resolved, COSY, TOCSY, DOSY, 1H-13C HSQC and 1H-13C HMBC 2D sequences was used to assign each spin system and to separate the components of the complex patterns in the 1D overlapped proton spectra. To obtain resolved proton spectra of tomato pulps the high-resolution magic angle spinning technique was used; a comparison with the liquid-state NMR spectra of the corresponding juices was accomplished. On the basis of the assignments made, the chemical composition of tomato juices from two cultivars (Red Setter and Ciliegino) was determined. Copyright © 2003 John Wiley & Sons, Ltd.
Original languageEnglish
Pages (from-to)237 - 245
Number of pages9
JournalMagnetic Resonance in Chemistry
Issue number4
Publication statusPublished - 1 Apr 2003
Externally publishedYes


All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Physical and Theoretical Chemistry
  • Spectroscopy

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