Classification of
Wine Types
Technical Treatise on Oenological Typologies
"From the origin of the must to barrel aging: a structural analysis for collectors and enthusiasts."
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, combining the freshness of white wine with the fruitiness of red wine.
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 form the basis of global consumption.
- Sparkling Wines: Require a second fermentation. WSET highlights the Traditional Method (Champenoise) as the standard of greatest complexity due to contact with lees.
- Lightly Sparkling Wines (Vinos Aguja): Minimum pressure (1-2 bar), providing a tactile tingling sensation without being fully sparkling.
3. Hierarchy by Aging and Maturation
Aging regulations (especially strict in regions like Rioja or Ribera del Duero) define longevity and sensory profile:
Young / Roble (Oak)
Immediate consumption. Maximum fruit expression. 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 typicality 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 deviate from traditional norms and represent the pinnacle of technical sommelier expertise, available for detailed consultation at Wine Folly:
- Fortified Wines: Fortified with wine alcohol (Sherry, Port). They have alcohol content ranging from 15° to 22°.
- Sweet Liqueur Wines: Made from overripe grapes or grapes affected by Botrytis cinerea (noble rot).
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