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The plant
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272 varieties
93 countries and territories
32 processes
29 methods
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The plant
I
The living world
Botany, anatomy, cycle
II
The variety map
272 varieties and their genealogy
III
The routes
How the coffee plant went around the world
V
The origins
93 producing countries and territories
VI
Canephora
The other species, and what we owe it
From fruit to cup
IX
The processes
Washed, natural, honey, fermentations
XX
Fermentation
What happens in the tank, on two levels
VII
Roasting
From the brazier to the instrumented drum
XV
Preparations
Espresso, filter, French press, grind
XIV
Water
Minerals, hardness, and a calculator
VIII
The cup
Tasting, protocols, defects
XXI
What we drink from
Cups, shapes, materials, disposable cups
The world of coffee
IV
The chronicle
386 landmarks, from the 6th century to 2026
XI
The economics of coffee
Futures market, differentials, income
XVI
Customs
Uses, rituals, coffee cultures
XVII
Adulteration
Fraud, ersatz, fake luwak
XXII
Coffee regulation
Labeling, contaminants, quality labels, EUDR
The body and matter
XII
Caffeine
Pharmacology, health, instant coffee
XIX
Decaf
Processes, health, and why it costs more
X
Diseases
Leaf rust, berry borer, pests
XIII
What we throw away
Spent grounds, pulp, cascara, biomass
XVIII
What lies ahead
Climate, conservation, selection
Start with the plant
The variety map
272 profiles, the complete genealogy
The 93 countries and territories
Production, varieties, ranking, harvest
The routes
The spread of the coffee plant, from Yemen to the Americas
The plant
Anatomy, species, vegetative cycle
The process sheets
Each process, from principle to key figures
The manufacturers
97 firms, from the probe to the production drum
Four stories
Banning coffee
Mecca, Constantinople, Sweden, Prussia
The escapes
How the seed got out, seven times
The room where it all began
Coffee as a political place
The price of coffee
What a cup is worth, and to whom
Five tools
The coffee quiz
869 questions, 27 categories, four modes
Barista Pocket
Recipe, diagnosis, from defect to adjustment
Mission and Constraint
Sixteen counter missions
Auto machine
Settings and maintenance of automatic machines
The water calculator
Twelve profiles, the salts to weigh
The site
Search
The whole site, in one field
The glossary
269 entries
The library
The sources, one by one
The full edition
The whole site on a single page
Viewpoints
Signed texts
Provenance
Where everything comes from
Topic III
The introduction routes
a variety is also a journey
Previous topic
The map of varieties
Next topic
The chronicle
© 2026 Marco De Sousa Rosa · PXL Roasters
Texts under
CC BY-NC-SA 4.0
· tools: all rights reserved · images:
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