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Pieczonka, S. ; Hemmler, D. ; Moritz, F. ; Lucio, M. ; Zarnkow, M.* ; Jacob, F.* ; Rychlik, M.* ; Schmitt-Kopplin, P.

Hidden in its color: A molecular-level analysis of the beer's Maillard reaction network.

Food Chem. 361:130112 (2021)
Postprint DOI PMC
Open Access Green
We here report a comprehensive non-targeted analytical approach to describe the Maillard reaction in beer. By Fourier-transform ion cyclotron mass spectrometry (FT-ICR-MS), we were able to assign thousands of unambiguous molecular formulae to the mass signals and thus directly proceed to the compositional space of 250 analyzed beer samples. Statistical data analyses of the annotated compositions showed that the Maillard reaction is one of the driving forces of beer's molecular diversity leading to key compositional changes in the beer metabolome. Different visualization methods allowed us to map the systematic nature of Maillard reaction derived compounds. The typical molecular pattern, validated by an experimental Maillard reaction model system, pervades over 2,800 (40%) of the resolved small molecules. The major compositional changes were investigated by mass difference network analysis. We were able to reveal general reaction sequences that could be assigned to successive Maillard intermediate phase reactions by shortest path analysis.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Beer Metabolomics ; Ft-icr-ms ; Foodomics ; Maillard Reaction ; Mass Difference Network ; Molecular Networking; Nuclear-magnetic-resonance; Natural Organic-matter; Reaction-products; Quality-control; Mass-spectra; Amino-acids; Degradation; Oligosaccharides; Identification; Spectroscopy
Language english
Publication Year 2021
HGF-reported in Year 2021
ISSN (print) / ISBN 0308-8146
e-ISSN 1873-7072
Journal Food Chemistry
Quellenangaben Volume: 361, Issue: , Pages: , Article Number: 130112 Supplement: ,
Publisher Elsevier
Publishing Place Amsterdam [u.a.] ; Jena
Reviewing status Peer reviewed
Institute(s) Research Unit BioGeoChemistry and Analytics (BGC)
POF-Topic(s) 30202 - Environmental Health
Research field(s) Environmental Sciences
PSP Element(s) G-504800-001
DOI 10.1016/j.foodchem.2021.130112
WOS ID WOS:000663638300006
Scopus ID 85107066503
PubMed ID 34029904
Erfassungsdatum 2021-06-28
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