What are the benefits of aging white wine in a barrel?

When white wine ages in a barrel, it is exposed to little quantities of oxygen which interacts with the red wine, softening the tannins and enhancing the flavor.  https://ivfsurvivalguide.com/?p=2414 The barrel also imparts other tastes to the red wine, such as vanilla, toast, or spice, depending on the type of wood used. In addition, barrel aging allows the white wine to develop a complex bouquet and a long surface.