Vinolust Online Classes Intermediate Wine Tasting: Aromas & Impact Compounds Impact compounds can be tells for certain wines. In this class we identify some of these both in theory and in the glass. Hey there! Some exciting wine information stuff inside. To access you just need a Vinolust Wine Lover Membership or Vinolust Wine Explorer Membership. Join now! Already a Vinolust member? Then you just need to log in to get your wine fix in.