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Type: Artigo de periódico
Title: Monitoring of wine aging process by electrospray ionization mass spectrometry
Author: Sawaya, ACHF
Catharino, RR
Facco, EMP
Fogaca, A
Godoy, HT
Daudt, CE
Eberlin, MN
Abstract: The characterization of wine samples by direct insertion electrospray ionization mass spectrometry (ESI-MS), without pre-treatment or chromatographic separation, in a process denominated fingerprinting, has been applied to several samples of wine produced with grapes of the Pinot noir, Merlot and Cabernet Sauvignon varieties from the state o Rio Grande do Sul, in Brazil. The ESI-MS fingerprints of the samples detected changes which occurred during the aging process in the three grape varieties. Principal Component Analysis (PCA) of the negative ion mode fingerprints was used to group the samples, pinpoint the main changes in their composition, and indicate marker ions for each group of samples.
Subject: electrospray ionization mass spectrometry
aging process
Pinot noir
Cabernet Sauvignon
Country: Brasil
Editor: Soc Brasileira Ciencia Tecnologia Alimentos
Rights: aberto
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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