By Malvina Demaj Last Updated: Mar 6, 2026

Oak

(ohk)
DEFINITION

Oak

Oak imparts flavor, aroma and texture into wines through fermentation in oak barrels. These barrels act as gentle, breathable vessels that add complex notes of vanilla, spice and toast while improving the wine’s overall structure and mouthfeel. There are two types of oak: French oak has a tighter grain and it contributes subtle spice and silky flavors to wine. American oak is bolder, known for its higher vanilla and coconut compounds.

Did you know? It takes an oak tree between 80 and 120 years to grow large enough to be harvested for barrels. One tree usually is enough to make two 225 liter barrels.

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