1 H NMR spectroscopy applied to identify chemical aging markers in green coffee (Coffea arabica L.).

Autor: Borém FM; Department of Agricultural Engineering, Federal University of Lavras, POB 3037, 37.200-900 Lavras, MG, Brazil. Electronic address: flavioborem@ufla.br., Abreu GF; Department of Agricultural Engineering, Federal University of Lavras, POB 3037, 37.200-900 Lavras, MG, Brazil., Ferreira AG; Department of Chemistry, Federal University of São Carlos, 13565-905 São Carlos, SP, Brazil., Santos MDS; Department of Chemistry, Federal University of São Carlos, 13565-905 São Carlos, SP, Brazil., Alves TDC; Department of Chemistry, Federal University of São Carlos, 13565-905 São Carlos, SP, Brazil., Alves APC; Department of Agricultural Engineering, Federal University of Lavras, POB 3037, 37.200-900 Lavras, MG, Brazil. Electronic address: anapaula.alves@ufla.br.
Jazyk: angličtina
Zdroj: Food chemistry [Food Chem] 2023 Mar 30; Vol. 405 (Pt A), pp. 134667. Date of Electronic Publication: 2022 Oct 29.
DOI: 10.1016/j.foodchem.2022.134667
Abstrakt: Nuclear magnetic resonance (NMR) was used to identify metabolic changes in green coffee beans stored in 3 different packages. Sensory and NMR analyses were performed at 0, 3, 6, 9, 12 and 18 months of storage. The decrease in the sensory quality of beverages by aging was more pronounced in the paper bags after 6 months of storage. High barrier bags and vacuum packs were able to maintain quality for 18 months of storage, regardless of the coffee processing method. The NMR technique allowed the differentiation of coffee packed in paper bags from the 3rd month of storage. These results indicate that it is possible to anticipate by up to 3 months the identification of changes that would otherwise only be noticed through sensory analysis after six months of storage. Choline and glycerophosphocholine are the main chemical compounds associated with the changes observed in the storage of green coffee in paper bags.
Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(Copyright © 2022. Published by Elsevier Ltd.)
Databáze: MEDLINE
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