Banana: n. Banana aroma is a fermentation aroma, a consequence of carbonic maceration, used in the production of primeur wines.
It reinforces the aromatic character of the Gamay grape variety and in particular of Beaujolais Nouveau. For the sake of speed, rather than letting nature take its course, it is easier for the winemaker to add lab-grown yeasts that produce that distinctive, banana-like taste. It comes from isoamyl acetate, chemical category...
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