What does saca refer to in the context of a solera system?

In the context of a solera system, "saca" refers to the extraction of wine from the barrels or casks. This process involves taking a portion of the finished wine from the solera, which is then bottled for sale or further processing. The solera system is a unique aging method commonly used for Sherry and other fortified wines, where older wines are gradually blended with younger wines to achieve a consistent flavor profile.

During the saca, wine is drawn from the solera layer, ensuring that the total volume is maintained through replenishment, or "topping up," with younger wine from the levels above. This intricate process allows for the blending of different vintages, enabling the winemaker to maintain complexity and character while ensuring a steady supply of the finished product. Understanding the concept of saca is crucial for appreciating the craftsmanship involved in Sherry production.