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.
The general term used by winemakers to describe the harmless crystalline deposits that separate from wines during fermentation and ageing. The principal component of this deposit is potassium acid tartrate, the potassium salt of tartaric acid, which has therefore given rise to the name.
According to the 2005 wine legislation, the following types of wine are produced in Tokaj: Dry and semi-dry; These are wines vinified from overripe grapes and matured only briefly. Matured dry wines; botrytis is undesirable. Szamorodni; Comparable to that of Beerenauslese. They are fermented dry or sweet and subjected to subtle maturation under a film-forming yeast. Very like the Jura's Vin Jaune. Sweet Aszù wines; Traditionally, the concentration of wines is measured by the number of puttonyos of Aszù grapes. Essencia; The free-run juice of hand-picked botrytized berries with a sugar content of over 450g / l also 800g and more. Essencia takes years to achieve a modest alcohol level of 4-5%.
French word for various systems of pumping over. In winemaking terms it is the pumping of the liquid in the fermentation tank over the cap of skins and solids during the red wine fermentation.
Is the winemaking operation of storing a fermented wine in wooden barrels to create ideal conditions for the components of the wine to evolve and so that the wood imparts some oak flavour.
Are the dissolved inorganic constituents of vines, grapes and wine, often called nutrients, and primarily obtained from geological minerals in the groung.
The most famous northern Rhône appellation of all, producing extremely limited quantities of seriously long-lived reds and about a third as much full-bodied dry white wine which some believe is even more distinguished. Hermitage was one of France's most famous wines in the 18th and 19th centuries when the name alone was sufficient to justify prices higher than any wine other than a first growth bordeaux.
Imprecise tasting term used in many languages for a distinctive style of wine, often fortified wine or vin doux naturel, achieved by deliberately maderizing the wine by exposing it to oxygen and/or heat.
Increasingly fashionable and aims at reducing the exposure of must and wine to oxygen in the winery by minimizing or eliminating practices such as racking, lees stirring, and the use of new oak barrels.
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.
Latin word from the Greek for a vessel with two handles. Although the term may refer sometimes to fine wares, it is normally used to describe the large pottery containers which were used for the bulk transport of many goods and luquids ind the Mediterranean world.
Is French for "old vines". The term is used widely on wine labels-as is vinhas velhas (Portugal), alte Reben (Germany)-in the hope that potential buyers are aware that wine quality is often associated with senior vine age.
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.
The most prestigious wine estate in Burgundy, based in Vosne-Romanée. The Domaine, as it is frequently called, is co-owned by the de Villaine and Leroy families and produces only Grand Cru wines.