Translates directly from French as a wine that is naturally sweet. Vins doux naturels are made by mutage, by artificially arresting the conversion of grape sugar to alcohol by adding spirit before fermentation is complete.
Sometimes known as grey mould and sometimes just rot, the malevolent form of botrytis bunch rot and one of the most harmful of the fungal disease that attack vines. In this undesirable bunch rot form, the botrytis cinerea fungus rapidly spreads throughout the berry flesh and the skin breaks down.
German term for young wine popularly consumed before botteling-generally cloudy and often still fermenting-and typically referred to in Austria as Sturm or Heuriger.
The practice of adding spirits, usually grape spirit, to wine to ensure microbiological stability, thereby adding alcoholic strength and precluding any further fermentation.
Ancient word for steeping a material in liquid with or without a kneading action to separate the softened parts of the material from the harder ones. This important process in red winemaking involves extracion of the phenolics or anthocyanins, other glycosides, including flavour precursors from the grape skins, seeds, and stem fragments into the juice or new wine.
Microscopic, single-celled fungi, having round to oval cells which reproduce by forming buds, are vital to the alcoholic fermentation process, which, starved of oxygen, transforms grape juice to wine.
Sleep, the normal state of vines in winter. This period normally starts with autumn leaf fall, although buds are in a state of so-called organic dormancy from veraison onwards.
Important French port on the Garonne River. Bordeaux gives ist name to a wine region that includes the vineyards of the Gironde département and, as such, the wine region that produces more top -quality wine than any other region.
Before concrete, stainless steel, and other inert materials replaced wood as the most common material for wine fermentation vessels and storage containers in the 1960s, each wine region had ist own legion of barrel types. Even today such terms as feuillette, tonneau, and fudre may be used to measure volumes of wine long after the actual containers themselves have been abandoned.
Is hard and supple, and most oaks have watertight wood, which has the simple advantage over other wood types used for cooperage of displaying a natural affinity with wine, imparting qualities and flavours that today's consumers appreciate as enhancing or complementing those of many wines.
French word for the important operation in the production of fine wines of deciding which lots will be assembled to make the final blend. It plays a crucial role in sparkling winemaking when some cuvées may be assembled from several hunderd different components.
Known as Bourgogne in French, province of eastern France famous for ist great red and white wines produced mostly from Pinot Noir and Chardonnay rapes respectively.
Is a term used particularly in Burgundy for wine which qualifies for an appellation that coincides with the name of the village or commune in which the wine is made.
Is the name used by winemakers for a thick liquid that is neither grape juice nor wine but the intermediate, a mixture of grape juice. Stem fragments, grape skins, seeds, and pulp that comes from the crusher-destemmer that smashes grapes at the start of the winemaking process.
Common winemaking practice, named after its French promulgator Jean-Antoine Chaptal, whereby the final alcoholic strength of a wine is increased by addition of sugar to the grape juice or must, before and/or during fermentation, although if it is added before, the higher sugar level will make it harder for the yeast to multiply.
The principal milk protein, is used by winemakers as a fining agent particularly useful for removing brown colours from white wines. It is used also in the clarification of young wines.
Sometimes simply as botrytis, is the benevolent form of botrytis bunch rot, in which the Botrytis cinerea fungus attacks ripe, undamaged white wine grapes and, given the right weather, can result in extremely sweet grapes.