| Saccharomyces cerevisiae oxidative response evaluation by cyclic voltammetry and gas chromatography - mass spectrometry. | |
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MedLine Citation:
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PMID: 22746983 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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This study is focused on the evaluation of the impact of Saccharomyces cerevisiae metabolism in the antioxidant capacity of a synthetic wine during fermentation. A bioanalytical pipeline, which allows for biological systems fingerprinting and sample classification by combining electrochemical features with biochemical background is proposed. To achieve this objective, alcoholic fermentations of a minimal medium supplemented with phenolic acids, were evaluated daily during 11 days, for electrochemical profile, phenolic acids and the volatile fermentation fraction, using cyclic voltametry, HPLC-DAD and HS-SPME/GC-MS (target and non-target approaches), respectively. It was found that acetic acid, 2-phenylethanol and isoamyl acetate are compounds with a significative contribution for samples metabolic variability and the electrochemical features demonstrated redox-potential changes throughout the alcoholic fermentations, showing at the end, a similar pattern to normal wines. Moreover, Saccharomyces cerevisiae had the capacity of producing chlorogenic acid in the supplemented medium fermentation from simple precursors present in the minimal medium. |
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Authors:
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Cristiana Cordeiro Castro; Caitriona Frances Gunning; Carla Marques Oliveira; José António Gomes Couto; Jose Antonio Teixeira; Rui Costa Martins; Antonio Cesar Silva Ferreira |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-7-2 |
Journal Detail:
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Title: Journal of agricultural and food chemistry Volume: - ISSN: 1520-5118 ISO Abbreviation: - Publication Date: 2012 Jul |
Date Detail:
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Created Date: 2012-7-3 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0374755 Medline TA: J Agric Food Chem Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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