Using Synchronous Fluorescence to Investigate Chemical Interactions Influencing Foam Characteristics in Sparkling Wines

The appearance of bubbles and foam can influence the likeability of a wine even before its consumption. Since foams are essential to visual and taste attributes of sparkling wines, it is of great importance to understand which compounds affect bubbles and foam characteristics. The aim of this work w...

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Bibliographic Details
Published in:Beverages (Basel) 2019-09, Vol.5 (3), p.54
Main Authors: Condé, Bruna, Robinson, Alanna, Bodet, Amandine, Monteau, Anne-Charlotte, Fuentes, Sigfredo, Scollary, Geoffrey, Smith, Trevor, Howell, Kate S.
Format: Article
Language:English
Subjects:
Aging
Amino acids
Bubbles
Chemical interactions
Fermentation
fizz
Flavonoids
Fluorescence
Fluorescence spectroscopy
foamability
Foams
Mannoproteins
Phenols
Polyphenols
protein
Proteins
Sparkling wine
wine quality
Wines
yeast invertase
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Summary:The appearance of bubbles and foam can influence the likeability of a wine even before its consumption. Since foams are essential to visual and taste attributes of sparkling wines, it is of great importance to understand which compounds affect bubbles and foam characteristics. The aim of this work was to investigate the effect of interactions among proteins, amino acids, and phenols on the characteristics of foam in sparkling wines by using synchronous fluorescence spectroscopy techniques. Results have shown that several compounds present in sparkling wines influence foam quality differently, and importantly, highlighted how the interaction of those compounds might result in different effects on foam parameters. Amongst the results, mannoproteins were found to be most likely to promote foam and collar stability, while phenols were likely to increase the small bubbles and collar height in the foam matrix. In summary, this work contributes to a better understanding of the effect of wine compounds on foam quality as well as the effect of the interactions between those compounds.
ISSN:2306-5710
2306-5710
DOI:10.3390/beverages5030054