Inertization with noble gases: nitrogen, aligal, etc., is a safe method to constantly maintain a protective layer of gas on top of the wine, preventing its oxidation.
When the wine is not kept under an inert atmosphere, the wineries have many small volume tanks so that the wine does not come into contact with the air since the emptying is faster.
Thanks to the inerting, the optimal conservation of the liquid is achieved without organoleptic alterations.
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