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) to taste noticeably sweet. There is no regulation on the exact amount of residual sugar that the wine needs to have. Sauternes are characterized by the balance of sweetness with the zest of acidity. Some common flavor notes include apricots, honey, peaches but with a nutty note, which is a typical characteristic of noble semillon itself (cf. Australian noble (late-harvest) semillon). The finish can resonate on the palate for several minutes. Sauternes are some of longest-lived wines, with premium examples from exceptional vintages properly kept having the potential to age well even beyond 100 years. Sauternes typically starts out with