Ultratradaitional method of red wine fermentation in which grape berries are not subjected to destemming. This was the default position before the introduction of the crusher-destemmer. The possible disadvantages are that, unless the stems are vey ripe, i.e. well lignified, and the must is handled very gently, the stems may impart harsh tannins to the wine.
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.
Stands for Denominazione di Origine Controllata e Garantita, a legal category established in Italy in 1963 for its highest-quality wines, at the same time as its DOC was created as an Italian version of the French appellation contrôllée.
Extremely popular sparkling wine made in the region of Veneto, located north-east of Italy. The DOC was once an IGT. To ensure that no one outside the region was able to jump on the luctrative Prosecco bandwagon, the grape variety was renamed Glera in 2009, and Prosecco was registered as a protected denomination of origin DOC.
Or Le Montrachet, the most famous Grand Cru white burgundy, the apogee of the Chardonnay grape produced from a single vineyard in the Côte de Beaune district of the Côte d'Or.
Widely misused term meaning strictly the climate within a defined and usually very restricted space or position. In viticulture, it might be at specific positions between rows of vines, or distances above the ground.
Widely used in filtration, is a naturally occuring, highly porous, chalky textured sedimentary rock made mainly of silica and consisting of fossilized remains of diatoms, a type of hard-shelled algae.
The higher, southern part of the Médoc district of Bordeaux which includes the world-famous communes of Margaux, Pauillac, St-Estèphe and St-Julien, as well as the less glamorous ones of Listrac and Moulis.
Adapted by the champagne industry for wines made without (much) added sweetening or dosage. The upper limit for the resiudual sugar of a brut champagne has been reduced from 15 to 12 g/l.
Is a French synonm for Sauvignon Blanc, notably in Pouilly-sur-Loire, centre of the Pouilly-Fumé, or Blanc Fumé de Pouilly, appellation, many of whose aromatic dry whites do indeed have a smoky, if not exactly smoked, perfume.
Of a wine is ist total concentration of volatile acids, those naturally occuring organic acids of wines that are separable by distillation. Wine's most common volatile acid by far is acetic acid (more than 96%).
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.
Or bâtonnage, as it is called in French, is the once fashionable winemaking operation of mixing up the lees in a barrel, cask, tank or vat with the wine resting on them. It is an optional addition to the process of lees contact and is often employed, particularly for whites which have undergone barrel fermentation. Usually done with a stick. Stirring up the lees in the barrel also effects oak flavour.
Occasionally madeirization, is the process by which a wine is made to taste like Madeira, involving mild oxidation over a long period and, usually, heat.
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.
