Structure refers to the framework supporting wine flavours—primarily tannins, acidity, and alcohol. A wine with good structure feels substantial and complex; structure enables flavor complexity and aging potential. Structured wines have firm tannins, balanced acidity, and appropriate alcohol, creating wines that age beautifully. Unstructured wines feel thin, flat, or one-dimensional. Structure is particularly important in red wines; white wines rely more on acidity for structure. Premium wines show excellent structure supporting flavor development.
WHY IT MATTERS FOR COLLECTORS
Wine structure is central to aging potential. Well-structured wines age for decades, developing additional complexity. Understanding structure helps predict cellaring success.
Tasting cues
- The architecture of acid, tannin, alcohol, and sugar that holds the wine together.
- Well-structured wines feel complete even when fruit is restrained.
- “Unstructured” usually means floppy, short, or disjointed rather than merely light.
Examples
- Classic cellar candidates (Barolo, classed Bordeaux, vintage Port) lead with structure.
- Fruit-forward early drinkers can still be delicious with softer structure.
Cellar actions
- Buy structure when your goal is decade-scale cellaring.
- Recheck structured wines as they approach the opening of their drinking window.
Related terms
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