Bordeaux wine almost universally used. Chaptalization is permitted, and is fairly common-place. Fermentation then takes place, usually in temperature controlled stainless steel vats. Next the must is pressed and transferred to barriques (in most cases) for a period of ageing (commonly a year). The traditional Bordeaux barrique is a 225 litre oak barrel. At some point between pressing and bottling the wine is blended. This is an integral part of the Bordeaux wine making process, as scarcely any Bordeaux wines are varietals; wine from different grape varieties is mixed together, depending on the vintage conditions, so as to produce a wine in
Sparkling wine Sparkling wine Sparkling wine is a wine with significant levels of carbon dioxide in it, making it fizzy. Commonly called champagne, EU countries legally reserve that term for products exclusively produced in the Champagne region of France. Usually sparkling wine is white or rosé, but there are examples of red sparkling wines such as the Italian Brachetto, Bonarda and Lambrusco, Australian sparkling Shiraz, and Azerbaijani "Pearl of Azerbaijan" made from Madrasa grapes. The sweetness of sparkling wine can range from very dry "brut" styles to sweeter "doux" varieties (French for 'raw' and 'sweet', respectively). The sparkling quality of these wines