Video summary
🎙️ MakelCafe Podcast | Episodio 1: Conversación Reveladora con Joan Gener
Main summary
Key takeaways
Main ideas & concepts (coffee origins, types, processing, and tasting)
Coffee plants & species
Many plants contain caffeine, but the commercially common cultivated coffee types discussed are mainly:
- Arabica
- Robusta
Other species/varieties are mentioned but largely sidelined:
- Iberica: described as practically disappeared; large beans; not particularly interesting
- Coffea excelsa: cultivated, but not the focus
Origins & naming
- Ethiopia and Yemen are presented as the origin region for Arabica.
- Arabica later spread to the Americas when Europeans brought plants.
- Robusta is described as coming into use later than Arabica.
- The name “Robusta” is linked to disease/pest resistance.
Caffeine as a defense mechanism
Caffeine is framed as a plant defense against tropical insects and pests. The discussion emphasizes:
- caffeine’s toxicity to pests/insects
- a brief note that humans can be harmed only at extremely high doses
Key biological/phenomenological differences: Arabica vs Robusta
Caffeine levels
- Arabica has less caffeine than Robusta (described as less than half—sometimes framed as 2–3× difference).
Growth conditions
- Arabica
- prefers high altitudes and plateaus
- tolerates warmth up to about 2000 meters
- does not tolerate frost well (near 0°C it suffers)
- Robusta
- needs more heat, which is described as contributing to more caffeine
Consumer/sensory effect
- Robusta is associated with stronger stimulation (including a mention of “falling asleep” after drinking it, contrasted with Arabica).
- Arabica may be described as tasting “like water” if caffeine/strength is expected.
- Very low-caffeine Arabica varieties are also mentioned.
Varieties & adaptation across regions
The discussion links coffee diversity to geography and isolation (e.g., islands/regions producing distinct varieties) rather than a simple “evolution” story.
Examples mentioned:
- Typica
- described as a classical Ethiopian lineage
- characterized as old “relic” varieties
- Bourbon types
- Bourbon Red / Yellow / Pink
- Bourbon originated on Bourbon Island, but is traced back to Ethiopia
- Regional transfer stories
- Kenyan coffee is said to have come from Jamaica (via English influence)
- Blue Mountain is linked to the Jamaican variety
- Dutch spread to Sumatra, Java, Borneo, and the wider eastern tropical belt
- Breeding / tree traits
- interest in traits like shorter trees for easier harvesting and stable yields across multiple years
Trading, market dynamics, and sourcing
Which sells more
- More Arabica is produced globally than Robusta, and Arabica is often perceived as “better.”
- Consumption preferences are described as differing by region (e.g., the US and Nordic countries leaning more toward Arabica in this telling).
Instant coffee, decaf, and Robusta’s role
Robusta is used heavily for:
- instant/atomized coffees
- decaffeination, because caffeine can be obtained from it
Market exchanges & how prices connect
Trading venues mentioned:
- Arabicas: New York Stock Exchange (also SĂŁo Paulo mentioned, but NYSE emphasized)
- Robustas: London Stock Exchange
Price movement is tied to:
- demand/supply imbalance
- weather crises (e.g., frosts, bad weather, lack of rain)
- producer influence, especially Brazil (and Vietnam for Robusta)
Direct buying vs exchange buying
Coffee may be purchased:
- via stock exchanges
- directly from farmers, especially specialty coffees not traded on exchanges
Direct purchasing is described as easier in Central/South America than in parts of Africa.
Harvesting methods (explicit instruction-like list)
Two harvesting methods are described:
Picking (selective harvest)
- Pick cherries one by one because they don’t all ripen simultaneously.
- Requires multiple passes through the month.
Stripping (strip harvest / remove everything)
- Pick by branch and remove all cherries (ripe and unripe).
- Typically uses machinery (compared to olive harvesting in Brazil).
- Consequence described:
- leaves “cherry seeds”/impurities behind, considered defects
- usually results in more imperfections
Species-to-method generalization
- Robustas: usually stripped, leading to more imperfections
- Arabicas: mostly picked, though Brazil is said to do more stripping due to scale
Processing (post-harvest) methods (detailed list)
A) Dry (natural) processing
- Drying on surfaces like concrete slabs
- After drying, a machine removes the skin
- Examples mentioned: Brazil and also Cuba
B) Washed processing
Fermentation and washing remove pulp and prepare the bean.
Process steps described:
- Put fruit into a fermentation tank
- Allow it to rot/ferment until mushy
- Wash with water to remove the pulp, leaving a parchment-like bean
- Dry on African perforated tables so air can flow underneath
Washed variants
- “Jones system”: leave material in place and stir during processing
- Some systems are described conceptually as mixing in other materials (e.g., fruit/coconut) to influence flavor, with the speaker framing some as creative/invented systems.
C) Semi-dried / island processing example (Indonesia)
Giling Basah
- semi-dried (not completely dry)
- thresh with machines around 50% humidity
Aged/aged-for-years coffee
- some Indonesian island coffees are aged 20–30 years
- described as aging by leaving dried material in a humid architectural setting (dried on top of houses)
D) Monsoon coffee (history + artificial today)
Origin story
- Coffee shipped by English routes
- sea exposure to monsoons
- arrives with a characteristic moistened/dried “hold flavor”
Modern artificial version
- done in Kerala, India
- open hangars expose coffee to monsoon air, then it’s dried
Named products
- “Mons Malab”: described as a mix of Arabica and Robusta
- associated with high crema
- sometimes used for espresso
E) Aging in barrels
- Fashion/practice: aging/storing in whiskey or rum barrels (e.g., Colombia)
- Claimed effect: coffee absorbs aroma more than flavor
Sorting, defect removal, and “clean cup” concept (tasting-quality workflow)
Workflow
- After harvesting: aim for perfectly ripe beans
- After washing: ferment for the needed hours
- Before packaging: remove defects and sort
Defects mentioned
- Unripe beans
- Black beans
- Twigs (noted as potentially harming grinders)
- Other defects that spoil flavor
“Clean cup” idea
More defects → less “clean cup” and fewer desirable flavors. Cleanliness is treated as central to tasting success.
Tasting methodology described (comparison-based)
Tasters are said to:
- rely on comparison rather than describing a flavor in isolation
- use references/analogies (e.g., fruits like tangerines or red berries)
The speaker argues this reflects limits in defining flavor without external comparisons.
Roasting methods (equipment + operational principle)
Roasting machine types
Old direct roasting
- fire directly under a ball/globe drum
- lots of smoke
- still used in parts of South America
Airflow-based roasting (modern)
- heated air + fan pushes air through a rotating cylinder
- uses probes/sensors to monitor temperature
- roast level and speed are adjusted by target end use:
- lower roast for infusion/filter
- higher roast for espresso
Industrial continuous roasting
- very large systems where coffee flows continuously like a conveyor belt
- described layout: incoming at the top, roasting in the center, cooling on the outside
Operational lesson
Roasting is presented as:
- not mysterious
- dependent on knowing how to run the machine
- requiring attention and experience because each coffee behaves differently
Risks and focus
- distraction can cause issues (e.g., coffee roasted too long → char/blackened coffee)
- emphasis: stay focused during roasting
Flavor, perception, and skepticism about ratings
Flavor is contextual
Flavor depends on factors such as:
- tongue/mouth contact
- what was eaten before
- time of day and nervousness
- saliva conditions
- brewing parameters (water temperature, dirty machine)
- brew time (same coffee can taste different hours apart)
Coffee ratings and marketing
- ratings may be biased by producers or shaped by advertising/presentation
- speaker suggests deciding what you like based on your own experience
Novice vs expert taste distinction
- beginners can often identify Arabica vs Robusta due to caffeine effects and overall strength
- advanced nuance is harder; the speaker doubts professional descriptors as overly metaphorical
Examples of “quality” and origin-based variety narratives
Geisha
- described as the most expensive variety mentioned
- origin story:
- named after a village in Ethiopia (Geisha)
- Costa Ricans allegedly discovered it while searching wild varieties for hybridization
- later planted in Panama (BarĂş volcano area)
- claimed usage:
- good for filter/espresso alternatives
- not suitable for espresso due to aggressiveness/intensity
Pluma Hidalgo
- gained success after a blind tasting (claimed via a large-company tasting)
- later declined due to disease (“roya” / coffee plant disease), then returned
- implication: market visibility can rise and fall regardless of intrinsic quality
Practical guidance distilled from the discussion
- Choose roasting and brewing based on coffee type and goal
- filter/infusion: lower roast and flavor-targeting
- espresso: often different roast target and bean characteristics
- Account for coffee chemistry/structure
- more oil tends to produce more crema
- Robusta is associated with more bitterness and crema-focused preparation, sometimes needing sugar to balance
- Treat coffee as an “experience-driven” process
- many outcomes change with context: brewing time, temperature, equipment cleanliness, and personal palate state
Speakers / sources featured
- Joan Gener (primary interviewee named in the subtitle text)
- Another unquoted/unnamed interviewer/host (the other recurring speaker)
- George Berk (philosopher referenced)
- B. and BZ (referenced as creators of works done while drinking coffee; names not fully specified in subtitles)
- Asing (company associated with “Monso(m)alab” best-performing product; shown as “Asing” in subtitles)
- Nestlé (referenced in connection with blind tasting/rumor and capsule-related interest)
- Suez Canal / ship companies / historical English shipping (historical source context, not a named speaker)