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01/12/2021 6:15 PM
@Nomad As a general rule Roasting should not exceed 20 min to second crack You are describing is baking

12/31/2020 2:39 PM
I trying another 2 cups at 200 for 45 min

12/31/2020 2:38 PM
I have a questions.. im trying to experiment with riasting.. i roasted 3 cup of nicaraguan at 200 degrees for 1 hr and 30 min.. is that to long?

12/17/2020 11:16 AM
Snow again in NC.

12/13/2020 3:51 PM
I didn't realize snow was forecasted for this neck of the woods

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Tastes/Aromas Flavor Wheel
New thread for Scotts post concerning "Tastes, Aromas" versus chemical compounds.

Can someone move these posts to this thread?


1/2 lb and 1 lb drum, Siemens Sirocco fluidbed, presspot, chemex, cajun biggin brewer from the backwoods of Louisiana


freshbeans wrote:
I'm curious if there is a list of flavors/aromas , and the compounds responsible for them? -Scott


Koffee Kosmo wrote:
There are 2 parts to the flavour wheel

However this site is a beauty that lists many smells and a great resource

Also important is the tongue



Dan wrote:
Two taste chemical tidbits:

There is another taste that's been added to the four we learned in grade school, pictured above. It is called umami. Its a flavor produced by foods high in protein. Think meat broth or unsalted soy sauce.

There are hundreds of chemicals in coffee. One that highly influences its flavor is trigonelline. It helps to give coffee its bitter taste. As coffee is roasted, trigonelline decomposes. That's why dark roast coffees are mellowly than lighter roasts. Lengthening the roast by drawing out the profile will result in less trigonelline and alter the flavor.

Now this thread is up to date. I couldn't figure out how to move actual posts.
Roaster: CoffeeAir II 2# DIY air roaster
Grinder: Vintage Grindmaster 500
Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover
Tom and Maria's Tiny Joy has this issue as their focal point this month.

You can see it at Sweet Maria's.

Thanks for posting this flavor wheel; very helpful to me as a newbie. I found this narrative to go along with it, a pdf file:
So many beans; so little time....
Came across the 'World Coffee Research Institute's Sensory Lexicon - over 50 pages!

SCA flavor wheel -
Edited by mtbizzle on 04/28/2020 2:20 AM
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