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. 2018 Jan 13;23(1):160. doi: 10.3390/molecules23010160

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Representative ¹H-NMR spectra of wet (A) and dried wine (B) samples. The major resonances have been assigned: 1. Valine; 2. 2,3-butanediol; 3. Isopropanol; 4. Ethanol; 5. Lactic acid; 6. Alanine; 7. Arginine; 8. Proline; 9. Acetic acid; 10. Methionine; 11. γ-aminobutyric acid; 12. Succinic acid; 13. Choline; 14. Myoinositol; 15. Methanol; 16. Fructose; 17. Glycerol; 18. Tartaric acid; 19. β-glucose; 20. α-glucose; 21. Arabinose; 22. Cis-caftaric acid; 23. Tyrosine; 24. Gallic acid; 25. 2-phenyethanol; 26. Phenylalanine; 27. Trigonelline.