Saint Emilion is a type of champagne from Earth's French region.
Captain Janeway celebrated the unveiling of the new Astrometrics Lab aboard the Voyager by replicating herself a bottle of 2370 Saint Emilion. (VOY: "Year of Hell, Part II")
On another occasion, Harry Kim (read "Miles O'Brien") was about to have some tea when his friend Tom Paris (read "Julian Bashir") introduced him to a reproduction of a bar in Marseilles. There, they had a bottle of 2346 Saint Emilion. (VOY: "The Cloud")