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%).
Appellation for France's finest and certanly most complex vins doux naturels, made from vertiginous terraced vineyards above the Mediterranean at the southern limit of Roussillon.
Silicon dioxide (silica), a very common rock-forming mineral. It is seen as glassy, colourless grains in rocks such as granite and sandstone, producing sandy soils of low fertility. It also occurs as opaque white veins filling gashes in bedrocks, which weathering loosens into fragments that become the milky white pebbles seen in many vineyards soils.
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.
Red winemaking process which transforms a small amount of sugar in grapes which are uncrushed to ethanol, without the intervention of yeasts, it is used typically to produce light-bodied, brightly coloured, fruity red wines for early consumption, most famously but by no means exclusively in the Beaujolais region of France.
Important commercial centre on the River Saône and capital of the Mâconnais dynamic district of Burgundy which produces considerable quantities of white wine and some red.
An expression for that part of the Bordeaux wine region that is on the left bank of the river Garonne. It includes, travelling down river, Graves, Sauternes, Barsac, Pessac-Léognan, Médoc and all the appellations of the Médoc.
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.
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.
The special distinction of this region embedded within the Graves distric south of Bordeaux is that it is dedicated, in a way unmatched by any other wine region, to the production of unfortified, sweet, white wine.
Attractive small village in the Côte de Beaune district of Burgundy's Côte d'Or producing elegant red wines from Pinot Noir. The wines of Volnay were celebratet under the ancien régime for their delicacy.
Contrasts with protective and reductive winemaking in that the winemaker deliberately exposes the wine to oxygen at various stages in the winemaking process in order to encourage certain reactions and achieve a particular style of wine. Oloroso Sherry being an extreme example.
