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Coffee Storage-  Freezer or container???
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MaestroHC
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Joined: 21 Dec 2004
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Posted Tue Dec 21, 2004, 1:15pm
Subject: Coffee Storage-  Freezer or container???
 

This is my first post.  I've learned so much here and am honored to be among many coffee lovers.   Are beans better stored in the freezer in freezer bags or should I just leave them in an airtight container in the cupboard?  How long will they stay fresh?  Thanks for all your help.
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Riprazor
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Posted Tue Dec 21, 2004, 1:26pm
Subject: Re: Coffee Storage-  Freezer or container???
 

A cool dark dry place.  Not a freezing dark dry place.  Air is also the enemy so airtight or vacuum sealed if possible.  Roasted beans stay good about 2 weeks.  Ground beans less than 2 days.  Think about what happens when you take something out of the freezer where the temp is typically around 1 degree.  Any moisture in the air instantly starts to condense on the surface as the temp rises.  The higher the humidity in the air, the greater the problem.  Tests seem to show that freezing roasted beans does little to stop their degredation.

Regards,
Barry
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cafedj
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Posted Tue Dec 21, 2004, 1:56pm
Subject: Re: Coffee Storage-  Freezer or container???
 

Tests seem to show that freezing roasted beans does little to stop their degredation.

To be fair not everyone agrees with that assertion.  

Some very experienced people have found that vacuum freezing can indeed prevent or inhibit staling.  The sooner after roasting, the greater the vacuum, and the colder the temp, the better, but even home freezers and available vacuum equipment can be very useful in storing fresh beans for several weeks.

If you use vacuum and freezing simply let the beans come to room temp before releasing the vacuum to prevent condensation.

Storing in an airtight container in the cupboard is fine for a week to 10 days.
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CremaGuy
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Posted Tue Dec 21, 2004, 9:52pm
Subject: Re: Coffee Storage-  Freezer or container???
 

MaestroHC Said:

This is my first post.  I've learned so much here and am honored to be among many coffee lovers.   Are beans better stored in the freezer in freezer bags or should I just leave them in an airtight container in the cupboard?  How long will they stay fresh?  Thanks for all your help.

Posted December 21, 2004 link

Unless you have a roaster and can freeze them within hours of roasting (before they have a chance to de-gas) the consensus is to NOT freeze them as it tends to do more harm than good.  

On the other hand, ability to freeze is -for many of us- one of the primary reasons for roasting our own beans.  If they are frozen immediately after roasting they can keep for months (three months according to some - I'm still testing this).  For most of us, it's not really possible to buy beans fresh out of the roaster so roasting our own opens doors that would otherwise be closed.  

Patrick
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Riprazor
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Joined: 17 Jan 2004
Posts: 138
Location: North Oaks, MN
Expertise: I live coffee

Espresso: Isomac Tea, LaSpaziale S1,...
Grinder: Mazzer Mini x 2
Drip: only when wet
Roaster: I-Roast
Posted Wed Dec 22, 2004, 8:24am
Subject: Re: Coffee Storage-  Freezer or container???
 

cafedj Said:

To be fair not everyone agrees with that assertion.  

Posted December 21, 2004 link

I can't remember when "Everyone" ever agreed on anything, however, it appears that the majority of experts do agree that freezing provides little benefit.  I suspect it is the vacuum part that provides the benefit, not the freezing.  I certainly agree that if you are going to freeze, vacuum freezing is preferable since it does allow the temp to rise without the condensation problem.
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MaestroHC
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Location: Wisconsin
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Grinder: Melitta Burr
Drip: Clarity, Bonjour French...
Posted Wed Dec 22, 2004, 4:30pm
Subject: Re: Coffee Storage-  Freezer or container???
 

Thank you to all who replied to my post.  I really appreciate your help.

HC Reichold
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twomartinis
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twomartinis
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Posted Wed Dec 22, 2004, 4:54pm
Subject: Re: Coffee Storage-  Freezer or container???
 

Riprazor Said:

I can't remember when "Everyone" ever agreed on anything, however, it appears that the majority of experts do agree that freezing provides little benefit.  I suspect it is the vacuum part that provides the benefit, not the freezing.  I certainly agree that if you are going to freeze, vacuum freezing is preferable since it does allow the temp to rise without the condensation problem.

Posted December 22, 2004 link

Remember that vacuum is only applicable for the initial packaging right after roasting, and it's only pupose is to get rid of the oxygen. Very hard to get a decent vacuum. Very hard. Go to the Sivetz website for more info (freezing as well).

Vacuum pumps, strorage containers et. al. are  b-b-b-b-b-b bad to the bean!

 
espornography.blogspot.com
flickr.com/photos/74108677@N00
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cafedj
Senior Member


Joined: 3 Oct 2003
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Location: NC
Expertise: I love coffee

Espresso: Bialetti, Aeropress
Grinder: Rocky doserless
Vac Pot: Bodum
Drip: Behmor Brazen
Roaster: Counter Culture
Posted Wed Dec 22, 2004, 5:11pm
Subject: Re: Coffee Storage-  Freezer or container???
 

Here's what I know.  I vacuum freeze beans within a day or two of roasting and it works extremely well in preserving the freshness of the beans.

The enemies of freshness are oxygen, moisture,  temperature, and light.  Eliminating or reducing those as much as possible has extended freshness in my personal experiments.

My results with freezing without a vacuum were much less effective.
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brokencup
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brokencup
Joined: 18 Feb 2004
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Posted Wed Dec 22, 2004, 5:29pm
Subject: Re: Coffee Storage-  Freezer or container???
 

See the attached chart.

brokencup: coffee_staling_rate.jpg
(Click for larger image)
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twomartinis
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twomartinis
Joined: 15 Mar 2004
Posts: 956
Location: Charlotte, NC
Expertise: I live coffee

Espresso: FF! X5
Grinder: Rocky & Mini-winkle
Roaster: graffix at 4:20
Posted Wed Dec 22, 2004, 11:03pm
Subject: Re: Coffee Storage-  Freezer or container???
 

Bob, that's a great picture! I am suprised to see ground coffee at low temp storage outlasting whole bean in valve bag storage. Can you post a link to a high-rez version?

 
espornography.blogspot.com
flickr.com/photos/74108677@N00
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