Application of 1H NMR metabolomics to French sparkling wines

Production and consumption of sparkling wines are constantly increasing and are confronted with substantial fraud problems. Last two decades have seen a significant increase in studies on wine metabolomics. In contrast, few metabolomics studies have focused on sparkling wines. A targeted approach ba...

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Bibliographic Details
Published in:Food control 2023-03, Vol.145, p.109423, Article 109423
Main Authors: Le Mao, Inès, Da Costa, Grégory, Bautista, Charlyne, de Revel, Gilles, Richard, Tristan
Format: Article
Language:English
Subjects:
1H NMR
Authenticity
Champagne
Crémant
Life Sciences
Metabolomics
Sparkling wines
Vegetal Biology
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Summary:Production and consumption of sparkling wines are constantly increasing and are confronted with substantial fraud problems. Last two decades have seen a significant increase in studies on wine metabolomics. In contrast, few metabolomics studies have focused on sparkling wines. A targeted approach based on 1H NMR metabolomics was applied to study profiles of commercial French sparkling wines from four protected designation of origin (PDO): Champagne, Crémant d’Alsace, Crémant de Bourgogne and Crémant de Bordeaux. The collected data were statistically processed by principal component analysis (PCA) and partial orthogonal least squares discriminant analysis (OPLS-DA). For origin and quality discrimination, significant discriminating metabolites were identified based on variable importance in projection (VIP) and correlation coefficient (p-(corr)) values. The results showed that 1H-NMR-based metabolomics combined with multivariate statistical analysis is an effective tool to discriminate commercial sparkling wines and sparkling wine quality. In addition, the targeted approach allowed identifying specific markers of each PDO. •1H-NMR-based metabolomics was applied to French commercial sparkling wines.•Data were processed by multivariate statistical analysis.•Champagne and Crémant wines were successfully discriminated.•Specific markers of each PDO were identified.•Some specific quality parameters of champagne wine were distinguished.
ISSN:0956-7135
1873-7129
DOI:10.1016/j.foodcont.2022.109423