21-DAY ADVANCED COFFEE SCIENCE CALENDAR

Theme: From Molecules in Soil to Meaning in the Cup

WEEK 1: FOUNDATIONS — SENSORY, GREEN COFFEE & CUPPING (Days 1–7)

Day 1 – Sensory Science Foundations

• How humans perceive taste & aroma
• Taste vs flavor vs aroma
• Sensory bias vs sensory objectivity
• Introduction to flavor memory training

Day 2 – Coffee Chemistry 101

• What coffee is made of (carbohydrates, acids, lipids, proteins)
• How chemistry creates flavor potential
• Why coffee cannot taste like what it does not chemically contain

Day 3 – Green Coffee Classification

• Physical grading (screen size, defects)
• Density, moisture, water activity
• How chemistry starts in green coffee

Day 4 – Post-Harvest & Flavor Formation

• Fermentation basics (enzymes, sugars, microbes)
• Washed vs honey vs natural (chemical differences)
• Defects as chemical failures

Day 5 – Professional Cupping Protocol

• Cupping setup and discipline
• Calibration exercises
• Objective scoring vs emotional language

Day 6 – Sensory Descriptors & Language

• Why “fruity” is not a fruit
• Acids, sugars, volatiles explained
• Building accurate sensory vocabulary

Day 7 – Applied Cupping Lab

• Multiple origins, same roast
• Identifying chemical signatures
• Linking green data to cup results

WEEK 2: ROASTING, BREWING & EXTRACTION SCIENCE (Days 8–14)

Day 8 – Roasting Chemistry

• Maillard reaction
• Caramelization
• Acid degradation & sugar development

Day 9 – Roast Profiles & Flavor Control

• Light vs medium vs dark (chemical outcomes)
• Rate of rise explained scientifically
• Roast defects and cup consequences

Day 10 – Brewing Science Fundamentals

• Solubility & extraction
• Grind size, time, temperature
• Water chemistry basics

Day 11 – V60 & Kalita (Percolation Science)

• Flow rate and extraction curves
• Brew ratio chemistry
• Sensory evaluation of brews

Day 12 – Espresso Science

• Pressure, emulsions, crema chemistry
• TDS, EY, balance
• Diagnosing espresso faults scientifically

Day 13 – Comparative Brewing Lab

• Same coffee, different methods
• Chemical extraction differences
• Sensory mapping exercise

Day 14 – Cup to Market Value

• Why some cups fetch higher prices
• Flavor clarity, complexity & structure
• How buyers interpret quality

WEEK 3: FARM ↔ CUP CHEMISTRY (ADVANCED) (Days 15–21)

Day 15 – Soil Chemistry & Coffee Flavor

• pH, minerals, organic matter
• Nitrogen, potassium, calcium roles
• How soil dictates sugar & acid formation

Day 16 – Plant Physiology & Flavor

• Photosynthesis & sugar accumulation
• Stress, altitude, shade
• Leaf health and bean chemistry

Day 17 – Harvest Chemistry

• Cherry ripeness and sugar levels
• Immature vs ripe vs overripe chemistry
• Economic impact of harvesting errors

Day 18 – Fermentation Science (Advanced)

• Controlled vs uncontrolled fermentation
• Enzymes, yeasts, bacteria roles
• Flavor enhancement vs flavor destruction

Day 19 – Cup to Farm Feedback Loop

• Reading the cup as a diagnostic tool
• Identifying farm-related defects in cupping
• Translating sensory results into farm action

Day 20 – Agronomy Decisions Based on Cup Results

• Fertilization strategies guided by flavor
• Shade, pruning, and soil correction
• Climate resilience and quality preservation

Day 21 – Integrated Evaluation & Capstone

• Full farm-to-cup cupping assessment
• Written sensory & chemical analysis
• Presenting recommendations for farmers & buyers

KCS PHILOSOPHY IMPACT :

• Coffee is Science, not mystical
• Taste is trained, not guessed
• The cup is evidence
• The farm is the laboratory
• Price follows understanding