By Somchai Rice
This article series was inspired by one of our workshop participants. She asked why the fruity aromas in wines diminish over time. The answer was complicated. Here’s an expanded explanation of what we think is going on, based on current research.
The aroma compounds that we smell in wine are present in the headspace and are always at equilibrium with the compounds dissolved in the wine. The compounds present in wine aroma include esters, terpenes, norisoprenoids, phenols, aldehydes and ketones. So what happens to these compounds during aging?