Chapter 1
The great global coffee migration
Chapter 2
The secret botany of the coffee cherry
Chapter 3
The fiery chemistry of roasting
Chapter 4
The physics and art of extraction
Ch 2 · The secret botany of the coffee cherry
Quiz
What is the sticky, sugar-rich layer of a coffee cherry that sits directly beneath the pulp?
Quiz
Which species of coffee contains approximately double the caffeine content of Coffea Arabica?
Quiz
Which coffee processing method uses water to wash away all fruit pulp and mucilage before the drying stage?
Fun Fact
Coffee chromosomes: High-quality Arabica coffee has 44 chromosomes, while the harsher Robusta coffee species has only 22 chromosomes.
Quiz
What is the thin, paper-like protective shell surrounding the coffee bean that must be milled off before roasting?
Quiz
Which coffee processing method involves drying the coffee seed entirely inside the intact fruit?
Glossary
mesocarp (noun)
The middle layer of a fruit wall, typically consisting of fleshy pulp. French botanist Antoine de Jussieu first described this fleshy pulp of the coffee fruit in 1713.
The middle layer of a fruit wall, typically consisting of fleshy pulp. French botanist Antoine de Jussieu first described this fleshy pulp of the coffee fruit in 1713.