Wine Classification
Technical Treatise on Enological Typologies
"From the origin of the must to the evolution in barrel: a structural analysis for the collector and enthusiast."
1. Classification by Color and Maceration
Chromatic distinction not only defines aesthetics but also the chemical structure of wine. According to the International Organisation of Vine and Wine (OIV), the winemaking process varies radically depending on contact with grape solids.
Red Wines
Made from red grapes where the must ferments in contact with skins and seeds, extracting tannins and anthocyanins that allow for long aging.
White Wines
Obtained by direct pressing. They can come from white or red grapes (Blanc de Noirs), prioritizing acidity and primary aromas.
Rosé Wines
Result of a brief maceration. They are wines of great gastronomic versatility that combine the freshness of white with the fruitiness of red.
2. Presence of Carbon Dioxide
Effervescence is technically classified by the pressure of dissolved gas in the bottle:
- Still Wines: Imperceptible $CO_2$ content. They are the basis of global consumption.
- Sparkling Wines: Require a second fermentation. The WSET highlights the Traditional Method (Champenoise) as the standard of greater complexity due to contact with lees.
- Frizzante Wines: Minimum pressure (1-2 bar), providing a tingling tactile sensation without being sparkling.
3. Hierarchy by Aging and Maturation
Aging regulations (especially strict in regions such as Rioja or Ribera del Duero) define longevity and sensory profile:
Young / Roble (Oak)
Immediate consumption. Maximum expression of fruit. May have a brief period in wood (less than 6 months).
Crianza
Minimum 24 months of aging (6-12 in barrel). Perfect balance between grape typicity and oak contribution.
Reserva
36 months of aging. Complex wines with tertiary notes (spices, cocoa). Ideal for collecting.
Gran Reserva
60 months of aging. Only produced in exceptional vintages. Maximum silkiness and elegance.
4. Special Classifications
There are categories that go beyond traditional norms and represent the pinnacle of technical sommellerie, available for detailed consultation on Wine Folly:
- Fortified Wines: Fortified with wine alcohol (Sherry, Port). They have alcohol content from 15° to 22°.
- Sweet Liqueur Wines: Made from overripe grapes or affected by Botrytis cinerea (noble rot).
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