HomeRoast Digest


Topic: Coffee Tin with De-Gas Valve (13 msgs / 270 lines)
1) From: Stephen Carey
Hi.  Just need some practical advice here.  I bought one of the 
Coffee Tins with the De-Gas Valve from SMs.  I liked the look, it 
works in the kitchen as far as fitting in and it holds a decent 
amount of coffee. http://www.sweetmarias.com/prod.cupping-brewing.shtmlI normally use the de-gas valve bags.  So, I am using this one tin 
for when I roast a coffee I know I will go through fairly fast.  My 
question is about the amount of air getting into the can when I open 
it to pour beans into the grinder.  When first roasted the air is 
moved out as it de-gasses.  However, unlike the bags, when I use the 
can I can not then squeeze the air which just got into it, out of 
it.  For a roast that is going to be about 1/2lb and go within about 
5 to 6 days will the air that gets back in affect the taste to the 
point of noticing the flavor difference?  I realize I may notice it 
well before any of my friends would, for they don't taste as much and 
savor each sip as I do.
I would like to keep using it, but at the same time I don't want to 
hurt my roast.  The write up on the tin, from SMs, is very well 
written and lays out how it works, plus how to care for it.  But, it 
expects a bit of knowledge I just don't have yet, how will the air 
affect the beans over that time frame?
Ideas?
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2) From: Mike Koenig
Stephen,
I would argue that you won't notice ANY flavor difference between
using your bags, and the tin.  Either way you will be getting oxygen
in the beans each time you open the container, and without resorting
to drastic measures, you won't get enough out to make a difference.
Over the 5-6 days you are storing them, you shouldn't have a problem.
Enjoy using your tin.
Oxygen is not the only piece of staling to worry about either.  If
excluding oxygen could prevent staling, than ESE espresso pods should
not taste stale if they are in nitrogen purged bags,  but yet they do.
To mangle a quote from a famous homebrewing book:  "Relax, don't
worry, have a homeroast!"
--mike
On Thu, Aug 7, 2008 at 9:22 AM, Stephen Carey  wrote:
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3) From: Seth Grandeau
I agree with Mike.  I have not noticed a difference between coffee stored in
a sealed jar and coffee stored in a vac sealed bag, when the coffee is
consumed within a week.
On 8/7/08, Mike Koenig  wrote:
<Snip>
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4) From: Tom & Maria - Sweet Maria's Coffee
You are right - as your coffee get's older it will not be able to 
evacuate oxygen from a tin as well as a bag. But then again, how old 
are your homeroasts really getting. If it is 5 days old or so, I 
would say that the effects of degassing are still positive overall. 
(especially if it is for espresso use).
<Snip>
Ah yes, i know that book all too well.
Tom
--
                   "Great coffee comes from tiny roasters"
            Sweet Maria's Home Coffee Roasting  -  Tom & Maria
                      http://www.sweetmarias.com                Thompson Owen george_at_sweetmarias.com
     Sweet Maria's Coffee - 1115 21st Street, Oakland, CA 94607 - USA
             phone/fax: 888 876 5917 - tom_at_sweetmarias.com
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5) From: Stephen Carey
Thank  you.  I go through what I roast fairly quickly.  If it is a 
roast which I believe I will have for closer to 9 or so days I will 
use the bags (they work and look cool - I like looking cool - how 
shallow am I?)
But, the cans look good on the counter, I drink a full pot from the 
Technivorm Moccamaster each day, so I do go through the coffee pretty 
fast.  Now with free lance crew working with me I go through it even 
faster.  I think I will order a few more, use them for the coffee I 
know I will go through fairly fast and use the bags for something else.
I appreciate the comments and the sincere thoughts that go into your answers.
Stephen
At 02:36 PM 8/7/2008, you wrote:
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6) From: Barry Luterman
I''ve seen green bags advertised on TV for storing green vegetables.
Has anyone tried it with roasted coffee?
On Thu, Aug 7, 2008 at 8:36 AM, Tom & Maria - Sweet Maria's Coffee
 wrote:
<Snip>
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7) From: Robert Flanery
Forgive my luditudeness and stupid question skills, but would storing coffee
in Ziplocs inside the cans decrease the amount of gass exchange in proximity
of the beans?  I just started using Ball jars in place of ziplocs myself and
can't help but think a sleeve inside the can would make a difference.
I did mention my aptitude for stupid questions...
In my house, a roast has typically 4 days of life or less.
Bob the Ludophyte.
On Thu, Aug 7, 2008 at 2:43 PM, Stephen Carey wrote:
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8) From: Barry Luterman
4 days is no problem. I often have 3 or more pounds of different
varieties going at once.
On Thu, Aug 7, 2008 at 8:51 AM, Robert Flanery  wrote:
<Snip>
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9) From: Stephen Carey
Bob, don't beat yourself up.  You may be on to something.  IF, only 
if, I find that there is a problem, I could use the smaller valve 
bags in the cans.  Overkill, I know, but I am mixing looks and having 
fun with the hobby with roasting it and drinking it.
Thanks for the thoughts,
Stephen
At 02:51 PM 8/7/2008, you wrote:
<Snip>
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10) From: Dean De Crisce
I haven't but I read the description just yesterday in a store. It described the bags to be permeable to a specific gas given off by fresh veggies...i assumed that did not apply to grean or roasted beans.
Dean De Crisce
Sent from a Treo phone.

11) From: raymanowen
"Forgive my luditudeness..." OK. Now, do tell what I just forgave, and what
is a stupid question? -ro
-- 
"When the theme hits the bass, I dance the Jig!" - -Virgil Fox at the Mighty
Wichita (ex- NYC Paramount) WurliTzer- 1976
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12) From: Robert Flanery
"Forgive my luditudeness..." OK. Now, do tell what I just forgave,"
<Snip>
"and what is a stupid question?"
Well, according to my wife it is anything that escapes my mouth.
On Fri, Aug 8, 2008 at 3:36 AM,  wrote:
<Snip>
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13) From: Bob Glasscock
Dean et al,
Here is Consumer Reports' take on the Debbie Meyer Green Bags: 
"CR's take. We saw green inside the Green Bags, but often it was mold.
Blackberries became moldy after three weeks, strawberries and basil after a
month, and peppers and tomatoes after five weeks. It was a tough test, but
the same foods stored in other ways nearly always had less mold or none
after the same time. Only bananas fared significantly better in Green Bags:
After two weeks, they were firm and had not turned black."
Didn't say beans about coffee.
Bob Glasscock
----
I haven't but I read the description just yesterday in a store. It described
the bags to be permeable to a specific gas given off by fresh veggies...i
assumed that did not apply to grean or roasted beans.
Dean De Crisce
Sent from a Treo phone.
--------------------
I''ve seen green bags advertised on TV for storing green vegetables.
Has anyone tried it with roasted coffee?
<Snip>
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