The History of the Coffee Trade
How coffee moved from regional cultivation to a global commodity and how trade shaped producing and consuming regions.
Expansion of cultivation
Coffee cultivation spread from Yemen to other regions through political, commercial and colonial networks. New producing regions developed different farming systems and varieties.
Colonial production
European colonial powers established or expanded coffee cultivation in multiple tropical territories. Labour systems and land ownership often reflected wider colonial economic structures.
Global commodity
By the nineteenth and twentieth centuries coffee was a major internationally traded agricultural commodity, connecting farmers, merchants, exporters, roasters and consumers across continents.
Modern traceability
Contemporary trade includes commodity markets alongside direct relationships, specialty contracts, certifications and other models intended to communicate origin and value.
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Green coffee
Follow coffee from plant and cherry through processing, drying, milling and storage.
Green coffee →Coffee chemistry
Explore the compounds and reactions that shape roasted coffee.
Coffee chemistry →Coffee extraction
Connect grind, water, temperature, time, concentration and extraction.
Coffee extraction →Coffee Knowledge presents technical subjects as an educational reference. Terminology, grading systems and production practices can vary by country, producer, equipment and commercial context.