[Homeroast] Coffee Germination

Janomac janomac at gmail.com
Mon Apr 8 17:31:17 CDT 2013


All were out of parchment. I bought some of the in-parchment greens a
couple years ago, but I never tried to sprout those.

Kirk

On Monday, April 8, 2013, John Nanci wrote:

> Was your in or out of parchment?
>
> At 07:27 AM 4/8/2013, you wrote:
>
>> As with Kevin's results, EVERY bean I have soaked has shot out its radicle
>> (initial root tip), except for Monsooned Malabar...which simply got wet
>> and
>> then began to decay. Unfortunately, I did not continue the sprouting until
>> they began to separate and display their cotyledons and initial leaves. I
>> may do that this summer.
>>
>> Why soak them, you ask? I thought I head someone ask...
>>
>> Last summer I started an experiment to extract proteins from green coffee
>> and analyze differences between growing regions (Costa Rica, Guatemala,
>> Brazil, India, Ethiopia, Yemen, Sumatra) and between a small number of
>> "types" (Bourbon, Typica, Caturra, and "unknown"), I soaked greens
>> overnight, 24 hours, 48 hours, & 72 hours. ALL (except the monsooned)
>> beans
>> from a dozen or so kinds of beans sprouted their radicles within 72 hours
>> -- most before 48 hours. Every bean. After 72 hours, I put beans in the
>> fridge to prevent further development and to reduce spoilage.
>>
>> Ultimately, my experiment was a bust because even the soaked seeds defied
>> easy pulverization by means available to me. To squash the green beans, I
>> had to hammer them using a 16-oz hammer to strike and a 4-lb sledge hammer
>> as an anvil. It was kinda fun...but the end results were both a mess and
>> the extraction required finer "grinding" than I was able to provide, given
>> the tools in the lab. I was NOT about to bring in my coffee grinder to do
>> this. A whirly-blade grinder did NOT work. Those beans are just too hard,
>> yet have some give so they won't shatter like a roasted bean. In the
>> future
>> I will flash freeze beans in liquid Nitrogen and pulverize in a ball mill
>> -- if I can get someone near the lab to part with theirs for a few hours.
>>
>> Now you've got me wanting to sprout a bunch of beans to see how many I can
>> get to leaf out!
>>
>> Kirk
>>
>>
>> On Sun, Apr 7, 2013 at 11:41 PM, John Nanci <john at chocolatealchemy.com
>> >wrote:
>>
>> > Tried it.  Failed.  Researched.  Found out green beans as we have them
>> are
>> > not viable.  You need greens in parchment and then it's hit or miss.
>> >
>> >
>> > At 08:38 PM 4/7/2013, you wrote:
>> >
>> >> Perhaps this has been explored before, but in talking with a friend
>> about
>> >> his home beer brewing endeavors; he is starting to germinate his grains
>> >> before he roasts them.  I wonder if anyone has tried to germinate their
>> >> coffee before they roast it and what it would do to the sugars and
>> thus the
>> >> end cup.  Anyone heard or tried?
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