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answers (8)

craigi
1
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BEST ANSWER  chosen by asker   |  craigi  |  January 03, 2009 07:46 AM
The answer depends completely upon the type of port. Some ports shouldn't be kept more than a day; others can go a few weeks.

This site does a *great* job of explaining the differences: http://www.fortheloveofport.com/faqs/port-faqs.html

From the site:

Vintage Port

Young VP’s (less than 5 years old) can often last 4-5 days once opened. However, older VP’s (more than 15 years old) are not meant to be left open for more than 2-3 days. They won’t spoil if left open longer than that, but they will lose their freshness and seem a bit more subdued than they did when first opened, especially the aromatics. Really old VP’s (more than 25 years old) are at their best if consumed within 24-48 hours.

LBVs

Unfiltered LBV’s, if stored in refrigeration after the bottle has been opened, will normally provide shelf life of a week or two.

For filtered LBVs, these typically can last up to ten days after being open, without any major deterioration of quality.

Colheitas

For younger ones (less than 15 years old) they will last up to a couple of weeks after being open without any major deterioration of quality. Older ones are best consumed within 24-72 hours.

Tawny

These will last up to a month after being open without any major deterioration of quality, if kept refrigerated. At room temp, two weeks is a good rule of thumb.

Other types

Ruby and basic Tawnies: These will easily last 3-4 weeks after being open without any major deterioration of quality.

Not mentioned on the site: I prefer storing left-over wine and port in smaller bottles so the liquid is exposed to the least amount of air possible. If I'm planning to drink half a bottle, I decant then pour one half into a 375ML bottle (full fill) then drink the remaining wine/port.
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dkasler
-2
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dkasler  |  January 03, 2009 07:39 AM
Port should be stored at temperatures between 65 and 69 degrees F. That being said Id say you can keep it for a month or 2 easy.

http://www.intowine.com/port3.html
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jasoncalac...
jasoncalacanis  |  January 03, 2009 07:46 AM
Thanks for trying, but since you didn't give a source or explain your experience this isn't such a great answer! Mahalo Answers is for researched answers, not just comments!!! :-)
chrispenne...
-2
Votes
chrispennell  |  January 03, 2009 07:40 AM
I would only give any wine a week tops opened and unrefrigerated.
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jasoncalac...
jasoncalacanis  |  January 03, 2009 07:44 AM
Thanks for trying, but since you didn't give a source or explain your experience this isn't such a great answer! Mahalo Answers is for researched answers, not just comments!!! :-)
mrgunn
mrgunn  |  January 03, 2009 08:59 AM - Fact Refuted
As a matter of fact, the whole reason that fortified wines like port were made was to extend their longevity so the wines could make through long sea voyages. http://www.wineanorak.com/introducingport.htm
china
0
Votes
china  |  January 03, 2009 07:41 AM
The standard port is meant to be bought and enjoyed quickly - that's why it doesn't have a full cork. It is not meant to be aged. Once opened, if the bottle is kept corked (stopped), it can last between one (Ruby) and four (Tawny) months before its flavor is lost. A vintage port, once opened, loses its flavor quickly (again, like wine). It should be drunk within 24 hours of decanting if possible. http://www.wineintro.com/types/port.html
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acatinatre...
-1
Votes
acatinatree  |  January 03, 2009 07:43 AM
You should never refrigerate port. Even at temperatures of 30 plus degrees, an opened bottle of port will last for several months and maybe even years, as long as it's re-stoppered.
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jasoncalac...
jasoncalacanis  |  January 03, 2009 07:47 AM
Source?
ryanopaz
ryanopaz  |  January 03, 2009 10:02 AM
This is a terrible answer. All wine degrades upon being opened and the process of chilling slows this process down. That said, Tawny ports are always to be chilled a bit before drinking which causes it to be much more crisp and not as cloying.

All Port will degrade within minutes of opening, though if kept in the fridge at a cool temperature the wine will last in a fairly similar state to what it was when first opened for up to a week. Vintage ports maybe a bit longer, while light tawny's and ruby's even less.

As for Jason's insistent question on Source. I quote myself.
Tawny Port - http://www.catavino.net/portugal/wanted-tawny-port/
Ruby Port - http://www.catavino.net/portugal/wanted-ruby-port-wine/
LBV and Colheita's - http://www.catavino.net/portugal/the-odd-couple-late-bottle-vintage-and-colheita-port-wines/
humanety
0
Votes
humanety  |  January 03, 2009 07:48 AM
A relatively long time. Fortified wines, because of the high sugar and high alcohol levels, hold up better to oxidation than "regular" wines. I've had some non-vintage ports opened (and recorked) that have tasted great even 3 months after the initial opening. (Most don't get the chance to survive that long in my house.)

An oxidized port isn't likely going to make you sick, it just won't taste as good as one that's recently opened. The aromatics and fruit will lessen and the alcohol can become more pronounced, rendering a "hotter" port. A good rule of thumb is that a vintage port should be consumed within a day of opening, and fine ruby and fine tawny ports should be finished within 4 to 6 weeks of uncorking.

But, the bottom line is: if the port tastes good, drink it!
source(s):
My source is personal experience, but Cockburn's agrees with me as well: http://www.cockburns-usa.com/about_port_serving.html#open
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prides
0
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prides  |  January 03, 2009 07:56 AM
Vintage Port and Quinta dos Canais: should be consumed within 24 hours of opening the bottle.

Fine Ruby, Fine Tawny, Special Reserve and Anno Late Bottled Vintage: should be consumed within 5-6 weeks after opening.

Aged Tawnies: should be consumed within 5-10 days after opening
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maximilian...
0
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maximiliano  |  January 03, 2009 08:50 AM
It can last anywhere from a week to a month after opening. Ports are made in two main styles: wood-aged or bottle-aged. Wood aged Ports are drinkable once they hit the store and last for about a month once opened. Bottle-aged Ports have a longer aging time before they are marketable and once they are opened only last about a week. Ruby Port is both bottle-aged and wood-aged and tawny Port is wood-aged only so a ruby Port would last only a week once opened and a tawny Port would last about a month.
source(s):
A friend of my father is a wine enthusiast.
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