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) high levels of sugars still in the wine. The Dutch began to identify areas that could produce grapes well suited for white wine production and soon homed in on the area of Sauternes. The wine produced from this area was known as "vins liquoreux" but it is not clear if the Dutch were actively using nobly rotted grapes at this point. Wine expert Hugh Johnson has suggested that the unappealing thought of drinking wine made from fungus-infested grapes may have caused Sauternes producers to keep the use of "Botrytis" a secret. There are records from the 17th century that by