Bag In Box Wine Expiration Date
On the upside open a box and the wine will stay fresh for six weeks unlike a bottle that will go sour after one.
Bag in box wine expiration date. Thin plastic is microscopically porous whereas glass is not. An interesting article in the austin chronicle quotes one bag in box supplier. It s not that the wine will go bad but the plastic bags that the wines are stored in allow microscopic amounts of oxygen to pass through and after a while the wine will taste less fresh.
The plastic is permeable on a microscopic level however which explains why bag in box wines still have expiry dates. This is because boxed wine is more porous than bottled wine. This means that air slowly passes into the bag containing the wine.
Boxes contain a bag within a box so the liquid is dispensed and then re sealed automatically after each use. Bottles last longer than bags. If they bottle it or more accurately bag it in october they allow it to be sold by the following october.
The expiration date has nothing to do with chemicals seeping into the wine the plastic they use is food safe and won t affect the wine s flavor that way. Boxed wine which is actually bagged wine slipped inside of a box for ease of transport and storage purposes has a porous wrapping. Boxed wine unlike bottled has an expiration date.
These plastic bags have microscopic holes which slowly allow air into the wine and we all know that is no bueno. The tap and plastic bag in bag in box wines help to prevent oxygen ingress keeping the wine fresh once opened for a number of weeks said james button decanter s regional editor for italy. But the bags will let microscopic amounts of oxygen pass through into the wine and after a while that oxygen will make the wine taste less fresh.
Why does boxed wine have an expiration date. They do however assume that the wine will be consumed shortly after that. This expiration date is typically within a year or so from the time the wine was packaged.
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