Peach: nf The aroma of peach in wine is due to the mixture of many substances, more or less volatile, in particular lactones, aldehydes, ketones, terpenes, etc.
Some white grape varieties have it, such as Aligoté, Chardonnay (see some champagnes), Pinot Blanc, Marsanne or Roussanne in the Rhône Valley.
This peach aroma can also come from a fermentation or secondary aroma (ethyl esters of fatty acids with fruit aromas including peach)...
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