Dessert wine wine is also made in the United States, Austria, Croatia, Czech Republic, Slovakia, Slovenia, Hungary, Italy, Australia, France and New Zealand in smaller quantities. Some of the most famous dessert wines, such as Château d'Yquem of Sauternes and Tokaji Aszú of Tokaj-Hegyalja in Hungary, or Seewinkel in Austria are made using grapes mouldy with "Botrytis cinerea", which sucks water out of the grape whilst imparting flavours of honey and apricot to the future wine. The fungus requires specific conditions to produce noble rot; if it is too damp, the same fungus causes destructive grey rot. Vignerons must ensure that they
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