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

When white wine ages in a barrel, it is exposed to small amounts of oxygen which interacts with the white wine, softening the tannins and enhancing the flavor. The barrel also imparts other tastes to the white wine, such as toast, spice, or vanilla, depending upon the type of wood used.  read this post here In addition, barrel aging allows the wine to establish an intricate arrangement and a long finish.