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.
The most important, and variable, appellation in the southern Rhône in terms of quality, producing mainly rich, spicy, full-bodied red wines which can be some of the most alluring expressions of warm-climate viticulture, but can also be either impossibly tannic or disappointingly jammy.
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%).
Also known as Vin du Glacier or Gletscherwein in German, is a local speciality in the Val Anniviers near Sierre in the Valais in Switzerland. The white wine, traditionally made of the now obscure Rèze vine, comes from communally cultivated vines and is stored at high elevations in casks refilled just once a year on a solera system.
French for "white of blacks", describes a white wine made from dark-skinned grapes by pressing them very gently and running the pale juice off the skins as clear as possibl.
Seminal central Italian wine first produced by the house of Antinori as a single-vineyard Chianti Classico in the 1970 vintage and then as a ground-breaking vino da tavola in the 1971 vintage.
Or insert, planks of wood, usually oak, placed in a stainless steel tank and held in position by a metal framework, are a way of imparting oak flavour to wine more cheaply than by fermenting or ageing in barrels since the staves are easily replaced.
Or Melon de Bourgogne, the most planted grape variety in the Loire valley, planted on 10798ha/26671acres in 2011 and famous in only one respect and one region, Muscadet.
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.
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.
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.
Downy mildew attacks all green parts of the vine and young leaves are particularly susceptible. When severly affected, leaves will drop off. The loss of leaves reduces photosynthesis and thus causes delays in fruit ripening and, typically, levels of fruit sugars, vine reserves of carbohydrates, and anthocyanins are depressed.
