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Ruby Port is aged in wood barrels for two years before spending a lengthy time aging in bottles, where it doesn't have contact with any oxygen. This is called aging reductively. And it makes ruby Port very susceptible to oxygenation once opened, meaning it turns faster than a tawny Port which is only wood-aged and has some exposure to oxygen while aging as oxygen seeps into the wood barrels. As a result the ruby Port, once opened for drinking, only lasts about a week.

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16y ago
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13y ago

Unopened? Years and years.

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Q: How long can you keep a bottle of unopened port?
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Can you keep an unopened bottle of port for 18 years?

If it's a vintage port, meaning it's from a specific year, then yes.


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How long will a vintage 1994 bottled in 1997 Broadbent port last once opened How long will any vintage port last once opened and why Which style of port will last longest once opened?

In general, tawny port will last longer once open than ruby port. The tawny port is aged in wood casks for many years which allows a slow oxidation of the wine will aging which in turn provides the wine with a greater strength and structure for aging. Unlike tawny, ruby port is aged for only a short amount of time in oak, thus not giving it the lighter "tawny" color from the oxidation process achieved by extensive time in barrels. The 1994 vintage is a strong vintage in Porto and that particular vintage port can last for decades in the bottle, unopened. Generally, after opening, if abiding by Portuguese custom, the entire bottle of ruby port should be consumed in one night, however if this is not possible, the bottle will likely last for a few more days at near excellent drinking stages, and will then continue to deteriorate thereafter.


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