From Il Piccolo website :
THE MOST ANTIQUE WINE IN THE WORLD.
The discovery in Sicily.
Six thousand years of ageing for the most antique wine in the world.
The discovery by Triestine speleologues of the dregs in the amphorae found in the thermal caves of Sciacca, Agrigento.
After five years of the most sophisticated tests, the response of the experts:
In these vases are traces of tartaric acid and sodium tartar, natural components of wine.
Another small inset on the video page gives us this:
At Aquileia, they have found traces of wine which was consumed there 3000 years ago. The backdated discovery of almost ten centuries of the consumption of wine in the region contradicts the idea that it was the Romans who brought the products into the zone. In fact, if goes much further back in time than that.