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Champagne just isn't champagne sans its bubbles, and researchers have now highlighted the effects that glass shape and temperature can have on carbonation upon serving and the drinking experience.
Champagne just isn't champagne sans its bubbles, and researchers have now highlighted the effects that glass shape and temperature can have on carbonation upon serving and the drinking experience.
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The researchers, led by Gerard Liger-Belair (GSMA), Guillaume Polidori (GRESPI) and Clara Cilindre (URVVC) of the University of Reims in France, studied the gaseous carbon dioxide and ethanol in the space above the champagne surface after it is poured into either a tall, narrow flute or a wide, shallow coupe.
They found a much higher concentration of the gas above the flute than the coupe, which partly accounts for the very different drinking experiences from the two glasses.
These results were also visualized by infrared thermography, which provided images of the gas escaping from the champagne surface.
The authors also determined that, surprisingly, decreasing the champagne temperature did not affect the level of carbon dioxide gas above the flute.
These results "might be a precious resource to depict champagne consumer's sensation according to various tasting conditions", said Dr. Cilindre.
The study has been published in the open access journal PLoS ONE.
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