Originally Posted by Unregistered
If the problem is oxygen, can we use nitrogen to replace the air in the bottle then seal it? I heard this method is applied to wine.
Yes, this helps prolong the life of the product once it has been opened and subjected to air.
Though very rare, really good bars and restaurants will do this with their spirits. However, there is probably less than 1 in 10,000 that actually care about their inventory and that their customer's drinks are pristine, as most of them just care that their customers are drinking.