Research Article

1H HR-MAS NMR Spectroscopy and the Metabolite Determination of Typical Foods in Mediterranean Diet

Figure 6

Comparison between the one-dimensional proton spectra of the lemon juice from PGI Interdonato lemon of Messina (red line) and Interdonato Turkish lemon (black line) in the region of phenolic compounds. 31: trigonelline, 33: nucleosides, 34: tyrosine, 35: tyramine, 36: gallic acid, 37: tryptophan, 38: phenylalanine, and 39: adenosine monophosphate (AMP).