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Untargeted metabolomics to explore the oxidation processes during shelf life of pork patties treated with guarana seed extracts

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2020
Authors
Rocchetti, Gabriele
Barba, Francisco J.
Lorenzo, José M.
Munekata, Paulo E.S.
Bernardo, Letizia
Tomašević, Igor
Pateiro, Mirian
Lucini, Luigi
article (publishedVersion)
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Abstract
The changes of metabolites in pork patties with different antioxidants added (control without antioxidants, 200 mg kg(-1) butylated hydroxytoluene (BHT) and 250 mg kg(-1) guarana seed extracts (GSEs)) under modified atmosphere (80% O-2 and 20% CO2) for 18 days of refrigerated storage were evaluated. Untargeted metabolomic approach based on UHPLC-ESI-QTOF-MS analysis was applied. GSE phytochemical profile revealed a wide variety of compounds (caffeine, glycerol 1-propanoate, amino acids, alkaloids and glycerophospholipids), together with antioxidants (tyrosols, procyanidins and flavonoids). Important differences in BHT and GSE patties metabolomic profiles were found during storage. Most of the differences could be attributed to glycerophospholipids and fatty acyls, along with specific compounds derived from lipid oxidation (i.e. 2-hexenal, 4-hydroxy-2-hexenal and 2,4-heptadienal) and protein degradation (spermine). Therefore, the approach used highlighted a modulation of lipid oxidative... processes, together with strict correlation between metabolic profiles and factors associated with meat quality, highlighting GSE effect on active compounds delaying oxidative phenomena.

Keywords:
Antioxidants / food metabolomics / lipid oxidation / Paulinia cupana / UHPLC-QTOF
Source:
International Journal of Food Science and Technology, 2020, 55, 3, 1002-1009
Publisher:
  • Wiley, Hoboken
Funding / projects:
  • CYTED [116RT0503]
  • Ministry of Economy and Competitiveness (MINECO, Spain) 'Juan de la Cierva' programme [FJCI-2016-29486]
  • GAIN (Axencia Galega de Innovacion) [IN607A2019/01]

DOI: 10.1111/ijfs.14329

ISSN: 0950-5423

WoS: 000487977300001

Scopus: 2-s2.0-85073983193
[ Google Scholar ]
URI
http://aspace.agrif.bg.ac.rs/handle/123456789/5348
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  • Radovi istraživača / Researchers’ publications
Institution/Community
Poljoprivredni fakultet

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