It is not allowed to aromatize wine. With one exception. You can age the wine in oak barrels. The oak gives flavours to the wine although many producers now claim that they are not looking for the flavours, only the gentle oxidation of the wine that you get from barrel ageing. It is also possible to use oak chips. Here it is more evident that the producer is looking for the flavours.
But now the company has Vivélys has launched an oak chip that they claim do not change the wine’s aromatic profile. It only gives fullness and some fatness to the wine. The chips come from very light toasted oak staves and have no effect on either the wine’s aroma or colour. So perfect if you only want to build some muscles in the wine’s body. Read more on lavigne-mag.fr.