Ouzo it is generally considered poor form to drink ouzo "dry hammer" ("ξεροσφύρι", "xerosfýri", an idiomatic expression that means "drinking alcohol without eating anything") in Greece. The presence of food, especially fats or oils, in the upper digestive system prolongs the absorption of ethanol and ameliorates alcohol intoxication. Ouzo is not used in many mainstream cocktail drinks, although in Cyprus it does form the basis of a cocktail called an Ouzini. Ouzo is a clear liquid. However, when water or ice is added, ouzo turns a milky-white colour. This is because anethole, the essential oil of anise, is completely soluble in
Ouzo delivered to us valuable information on the origins of the word "ouzo", which has come to replace the word "tsipouro". According to the professor, tsipouro gradually became ouzo after the following event: Thessaly exported fine cocoons to Marseilles during the 19th century, and in order to distinguish the product, outgoing crates would be stamped with the words "uso Massalia"—Italian for "to be used in Marseille". One day, the Ottoman Greek consulate physician, named Anastas (Anastasios) Bey, happened to be visiting the town of Tyrnavos and was asked to sample the local "tsipouro". Upon tasting the drink, the physician immediately exclaimed: