The alcohol within the wine kills all the impurities.
It is determined by several factors, including alcohol and tannin content. Both of them know a lot about wine but enjoy beer a little more. So, we understand or know that 2010 Finger Lakes Rieslings have peach in their flavor information. https://pittman-bryan.technetbloggers.de/cognac-richard-hennessy-700ml-boutique-cellar