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Simonin, S.* ; Roullier-Gall, C.* ; Ballester, J.* ; Schmitt-Kopplin, P. ; Quintanilla-Casas, B.* ; Vichi, S.* ; Peyron, D.* ; Alexandre, H.* ; Tourdot-Maréchal, R.*

Bio-protection as an alternative to sulphites: Impact on chemical and microbial characteristics of red wines.

Front. Microbiol. 11:1308 (2020)
Publ. Version/Full Text Research data DOI PMC
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In wine, one method of limiting the addition of sulphites, a harmful and allergenic agent, is bio-protection. This practice consists of the early addition of microorganisms on grape must before fermentation. Non-Saccharomycesyeasts have been proposed as an interesting alternative to sulphite addition. However, scientific data proving the effectiveness of bio-protection remains sparse. This study provides the first analysis of the chemical and microbiological effects of aMetschnikowia pulcherrimastrain inoculated at the beginning of the red winemaking process in three wineries as an alternative to sulphiting. Like sulphiting, bio-protection effectively limited the growth of spoilage microbiota and had no influence on the phenolic compounds protecting musts and wine from oxidation. The bio-protection had no effect on the volatile compounds and the sensory differences were dependent on the experimental sites. However, a non-targeted metabolomic analysis by FTICR-MS highlighted a bio-protection signature.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Wine Bio-protection ; Metabolomic ; Phenolic And Volatile Compounds ; Sulphites ; Metschnikowia Pulcherrima; Non-saccharomyces Yeasts; Acetic-acid Bacteria; Brettanomyces-bruxellensis; Sulfur-dioxide; Mixed Culture; Torulaspora-delbrueckii; Fermentation Behavior; Phenolic-compounds; Dependent Sulfite; Beta-glucosidase
Language english
Publication Year 2020
HGF-reported in Year 2020
ISSN (print) / ISBN 1664-302X
e-ISSN 1664-302X
Journal Frontiers in Microbiology
Quellenangaben Volume: 11, Issue: , Pages: , Article Number: 1308 Supplement: ,
Publisher Frontiers
Publishing Place Avenue Du Tribunal Federal 34, Lausanne, Ch-1015, Switzerland
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 10.3389/fmicb.2020.01308
WOS ID WOS:000546906600001
Scopus ID 85087179494
PubMed ID 32612594
Erfassungsdatum 2020-07-06
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