Are those which have been subjected to frotification and therefore include Sherry, Port, Madeira, Vermouth, Màlaga, Montilla, Marsala, Liqueur Muscat and Liqueur Tokay.
White winemaking technique wheereby the grapes are not subjacted to destemming and bunches of ripe grapes are pressed whole, with the stems used as conduits for what can often be particularly viscous juice.
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.
Winemaking process with the aim of clarification and stabilization of a wine whereby a fining agent, one of a range of special materials, is added to coagulate or adsorb and precipitate quickly the colloids suspended in it.
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.
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%).
Is Europe and the rest of the Mediterranean basin such as the Near East and North Africa. The term is used solely in contrast to the New World, the Old World having little sense of homogeneity. Old World techniques in vineyard and cellar have relied more on tradition and less on science than in the New World.
The much-imitated French system for the designation and control of important geographical names not only of wines, but also of spirits, as well as many foods.
An instrument for measuring a refractive index, which is related to the amount by which the angle of a light wave is changed when passing through the boundary between two media. The amount of refraction is a convenient way to measure solute concentration of a solution and is widely used in viticultural and winemaking to follow the ripeness of grapes and changes during vinification.
Distinctive category of north-east Italian dried-grape wines, a historic speciality of Veneto. The most common forms of Recioto are sweet red Recioto della Valpolicella and the rare sweet white Recioto di Soave and Recioto di Gambellara.
Red-brown loam or clay directly over well-drained limestone found typically in regions with a mediterranean climate. Such soils are found in southern Europe, North Africa and parts of Australia.
Even in Ancient Rome it was said Bacchus amat colles, or Bacchus loves the hills, suggesting that hillside vineyards have long been regarded as a source of high-quality wine.
The result of breeding a new variety by crossing two vine varieties. If the varieties are of the same species, usually the European vinifera species, then the result may also be knowm a an intraspecific cross - Müller-Thurgau would be one example.
French term meaning "on the lees", customarily applied to white wines whose principal deviation from everyday white winemaking techniques was some form of lees contact.