#42: Germination & Processing–Wet/Washed vs. Dry/Natural

03/28/22 • 42 min

In this episode we talk about:

The long geographical chain of custody for a cup of coffee
Why do wet process and dry process coffees taste differently
Coffee seeds: orthodox vs. recalcitrant seed
The yeast metabolism case for quality vs the plant metabolism case for quality
Cacao seed germination vs coffee seed germination

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BUY GREEN COFFEE FROM HONDURAS

Cayro Coffee
RESEARCH PAPERS
S-E Knopp, G Bytoff, D Selmar, Influence of processing on the content of sugars in green Arabica coffee beans, European Food Research and Technology 2005 223(2):195-201 DOI:10.1007/s00217-005-0172-1
D Selmar, G Bytof, S-E Knopp, B Breitenstein,Germination of coffee seeds and its significance for coffee quality, Plant Biol (Stuttg) 2006 Mar;8(2):260-4. DOI: 10.1055/s-2006-923845.
Ludlow CL, Cromie GA, Garmendia-Torres C, Sirr A, Hays M, Field C, Jeffery EW, Fay JC, Dudley AM. Independent Origins of Yeast Associated with Coffee and Cacao Fermentation. Curr Biol. 2016 Apr 4;26(7):965-71. doi: 10.1016/j.cub.2016.02.012.

Cover Art by: Nick Hafner
Intro song: Elijah Bisbee

In this episode we talk about:

The long geographical chain of custody for a cup of coffee
Why do wet process and dry process coffees taste differently
Coffee seeds: orthodox vs. recalcitrant seed
The yeast metabolism case for quality vs the plant metabolism case for quality
Cacao seed germination vs coffee seed germination

BUY GREEN COFFEE FROM HONDURAS

Cover Art by: Nick Hafner
Intro song: Elijah Bisbee

Previous Episode

#41: How Much Effort Should Good Coffee Require? Cometeer Instant Coffee, Cake and Everest

In this episode we talk about:

Crossing borders on foot
My recent trip to Guatemala and Honduras w/ 2 new producer clients
Brewing coffee as a love poem
How instant coffee has a similar problem to instant cake mixes
When is effort a virtue and when is it a drawback?

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CAFESMO - Hidardo Hernandez

Finca Rio Frio - Dario Enamorado

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OR Coffee
Silky Drum
Camera Obscura
Yellow Place Coffee

Video:

Last Week Tonight - Everest

14 Peaks Documentary

Cover Art by: Nick Hafner
Intro song: Elijah Bisbee

Next Episode

#43: Germination & Drying–Continuous vs. Resting

In this episode we talk about:

The class system in Colombia
Specialty coffee shops in coffee producing countries
Extended fermentations, 500 hours
Germination of dry processed coffees, what is going on?
Overview of the role of amino acids
How do we measure stress in coffee cherries?
Stressed grapes vs stressed coffee cherries

Rituales
Distrito Cafetero
Pergamino
Desarolladores De Cafe

Stratification of ColombiaSocial Class in ColombiaWorld Bank Statistics on Colombia

RESEARCH PAPERS

G. Bytof, SE Knopp, D Kramer, B Breitenstein, JH Bergervoet, SP Groot, D Selmar. Transient occurrence of seed germination processes during coffee post-harvest treatment. Ann Bot. 2007 Jul;100(1):61-6. DOI: 10.1093/aob/mcm068. Epub 2007 May 3.

D. Kramer, B. Breitenstein, M Kleinwächter, D Selmar. Stress metabolism in green coffee beans (Coffea arabica L.): expression of dehydrins and accumulation of GABA during drying. Plant Cell Physiol. 2010 Apr;51(4):546-53. DOI: 10.1093/pcp/pcq019. Epub 2010 Mar 5.

Cover Art by: Nick Hafner
Intro song: Elijah Bisbee