HomeRoast Digest


Topic: sunlight skunked beer inspired coffee experiment (6 msgs / 139 lines)
1) From: Paul Helbert
Okay as promised, I finally got everything ready for the easily
repeatable sunlight experiment. Sealed two identical jelly jars full
of a week old blend of leftovers, mostly Costa Rican with some
Bolivian & Kenyan beans all roasted around C+ to FC. (Very little oil
showing on a few beans.) One jar clear glass, the other painted
completely opaque with white semi-gloss exterior finish. Set them out
on a feed barrel.
I'll leave them out for several sunny days and report back. I expect
sunlight and higher temperatures will both contribute to the ruination
of the coffee in the clear jar. Maybe someone could repeat this at the
south pole and avoid the heat build up? Can't promise that I'll do a
double blind cupping. Prejudiced? You bet.
-- 
Paul Helbert
Prepackaged, roasted & ground coffee,,,
Some of the worst ideas since sliced bread.
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2) From: raymanowen
<Snip>
specificity:
San Miguel.        "Mmmm, Masarap! -Ayos na ang Kasunod" was the report.
The research was usually conducted in the evening from 1800 to 0100.
This research was done starting in April, 1966.
Cheers, Mabuhay -RayO, aka Opa!
Got Grinder?
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3) From: Ed Needham
This will be interesting!
*********************
Ed Needham
"to absurdity and beyond!"http://www.homeroaster.com*********************

4) From: Bill
Yep, I agree with Ed on this one!  This will definitely be interesting.
 However, I think of this as a first-time type of a run.  We will probably
need to refine this a bit more.  A couple of things that might affect this
test:1.  The beans are already older (spoken like a homeroaster!  What are
they, a week old??!!  ha ha).  I don't honestly know if this affects things,
but it might.  Just to point it out...
2.  They are not degassing anymore, so they have been well-mixed with
oxygen, a staling factor.
Do these affect things or am I just over-thinking this?  If they do indeed
affect things, a couple of bags with one-way valves might be better at
isolating some of these variables...  still, I'm interested at what Paul
finds.  Thanks for doing the legwork Paul!
bill in wyo
On Sun, May 11, 2008 at 9:03 PM, Ed Needham  wrote:
<Snip>
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5) From: Paul Helbert
You are right. I wasn't going to commit my best beans for the first
test. Control is pretty loose on this. Iit occurred to me today that
there are a few other problems with this experiment. If we were doing
it with beer the transparency and fluidity of the liquid would make
sense with the jelly jars. For an opaque solid it does not. The
sunlight cannot get to any but the outer layer of beans in the clear
jar, so most just holding the outside beans up against the glass. One
refinement might be to spread the beans in one layer on an aluminum
cookie sheet under glass. One under painted glass and one clear. The
Aluminum might help with the heat problem. No need to use so much
coffee for the test. One or two SCAA scoops per sample should suffice.
So far the sun has not shown here. We have had several days of heavy
overcast and rain.
Over-thinking? I think not. Anything worth doing should be worth doing
to excess, no?
On Mon, May 12, 2008 at 12:02 AM, Bill  wrote:
<Snip>
-- 
Paul Helbert
Prepackaged, roasted & ground coffee,,,
Some of the worst ideas since sliced bread.
Homeroast mailing list
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6) From: Justin Marquez
So... What have we learned so far from the work in progress...
If we live somewhere in the midst of a real bad dry spell, just sit out some
whole bean coffee in two jelly jars and "VOILA! INSTANT RAIN!"
:-)
Safe Journeys and Sweet Music
Justin Marquez (CYPRESS, TX)
On Mon, May 12, 2008 at 8:09 PM, Paul Helbert 
wrote:
<Snip>
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