Polyphenol metabolomics of twenty Italian red grape varieties

Luigi Bavaresco, Riccardo Flamini, De Rosso Mirko, Gardiman Massimo, Morreale Giacomo

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

Abstract

“Suspect screening analysis”method to study grape metabolomics, was performed. This method is a middle-way “targeted” and “untargeted”approach aiming at identifying the largest number of metabolites in grape samples. A new database of putative grape and wine metabolites (GrapeMetabolomics), which currently contains around 1,100 compounds, was constructed by CREA at Conegliano. By performing high-resolution mass spectrometry analysis of the grape extract in both positive and negative ionization mode, averaging 320- 450 putative compounds are identified. Most of them are grape polyphenols, such as anthocyanins, flavonols and stilbene derivatives. By performing PCA and Cluster Analysis the composition in anthocyanins and flavonols of 20 Italian red grape varieties, was studied
Lingua originaleEnglish
pagine (da-a)1-3
Numero di pagine3
RivistaBIO WEB OF CONFERENCES
Volume7
DOI
Stato di pubblicazionePubblicato - 2016

Keywords

  • Polyphenol
  • Wine

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