Wine is an Artisan Good made from the Keg, taking 7 days. The sell price varies on the fruit (and sometimes vegetables like Hot Peppers) input. Like beer, when used by the player, it causes a Tipsy buff that decreases your Speed by 1.
Wine can be placed inside casks to age. While inside a cask wine can go above "gold star" quality to reach "iridium star" quality. Iridium star level quality doubles the base level value of an item. Wine takes the longest to age of any item type in casks. It takes 2 seasons of aging to go from basic wine to iridium quality wine.