How does aging in stainless steel differ from aging in oak barrels?

Aging in stainless steel is primarily about maintaining the wine's freshness and highlighting its pure fruit character. Stainless steel is a neutral material that does not impart any additional flavors or tannins to the wine, which allows the original characteristics of the grapes to shine through. This method is particularly favorable for white wines and some light-bodied reds where the goal is to preserve delicate aromas and vibrant acidity, thereby enhancing the wine's crisp and refreshing qualities.

In contrast, oak barrels contribute complex flavors and texture to the wine, as they can impart notes of vanilla, spice, and toast, along with adding tannins that can influence the mouthfeel. While oak aging can also preserve freshness, it typically modifies the wine more significantly by introducing these additional flavor components, which can lead to a richer and fuller-bodied profile.

Overall, the choice to age in stainless steel versus oak depends on the desired style and characteristics of the wine, with stainless steel being the preferred method for preserving the fresh fruit essence.