Aldebaran whiskey was a strong, green alcoholic beverage, favored by Guinan, who kept a bottle behind the bar in Ten Forward. It was a gift from her friend, Jean-Luc Picard.
In 2369, Data served Montgomery Scott the drink of Aldebaran whiskey, although he was unsure of its characteristics beyond its green color. Scotty found this beverage quite satisfying and drank most of the bottle himself, although he shared a couple of glasses with Picard. (TNG: "Relics")
In 2371, Quark discovered an empty bottle of Aldebaran whiskey in his brother Rom's room that was taken from Quark's "private stock." (DS9: "Prophet Motive")
Several barrels of Aldebaran whiskey were kept in storage in several of Deep Space 9's cargo rooms. (DS9: "Explorers", "Distant Voices")

The green drink in Enterprise
External link
- Aldebaran whiskey at Memory Beta, the wiki for licensed Star Trek works