Sauternes (wine) Château d'Yquem, can be very expensive, due largely to the very high cost of production. Barsac lies within Sauternes, and is entitled to use either name. Somewhat similar but less expensive and typically less-distinguished wines are produced in the neighboring regions of Monbazillac, Cérons, Loupiac and Cadillac. In the United States, there is a semi-generic label for sweet white dessert wines known as "sauterne" without the "s" at the end and uncapitalized. As in most of France, viticulture is believed to have been introduced into Aquitania by the Romans. The earliest evidence of sweet wine production, however, dates only to
Sauternes (wine) October, Sémillon grapes were known to be infected by rot and vineyard workers had to separate rotted and clean berries but they are incomplete in regards to whether the rotted grapes were used in winemaking. By the 18th century, the practice of using nobly rotted grapes in Tokaji and Germany was well known. It seems that at this point the "unspoken secret" was more widely accepted and the reputation of Sauternes rose to rival those of the German and Hungarian dessert wines. By the end of the 18th century, the region's reputation for Sauternes was internationally known: Thomas Jefferson was