Coffee Knowledge
Latest articles, industry insights and brewing guides
US Specialty Coffee Bean Classification Explained
Learn how U.S. specialty coffee associations classify green coffee beans by defects, moisture, roast difference, and cup quality across five grades.
Scientists Discover Genes That Control Coffee Quality
Researchers found two key genes, SUS1 and SUS2, that regulate sucrose deposition in coffee beans, directly impacting flavor development during roasting.
Top 10 Coffee-Origin Countries Every Coffee Lover Should Know
Explore 10 countries famed for their coffee, from romantic Irish coffee to fruity Kenyan brews, each with unique flavors and cultural stories.
Indonesia's Best Specialty Coffee Beans Explained
Discover Indonesia’s most iconic specialty coffees like Mandheling, Kalossi, and Flores AP, with processing details and flavor profiles.
Do Coffee Beans Really Have Male and Female Types?
Coffee 'male' beans—also called peaberries—are single-seeded mutations with richer flavor. Learn how they form, why they’re prized, and where to find them.
World Coffee Growing Regions Map Explained
Discover the top 10 global coffee-producing countries and the distinct flavors shaped by their unique terroirs.
Six Famous Ethiopian Coffee Origins Explained
Explore Ethiopia’s six renowned coffee regions—from Yirgacheffe to Harar—each with unique flavor profiles, altitudes, and processing styles.
How Coffee Names and Brands Actually Work
Learn how country, port, varietal, mountain, grade, and exporter details shape a coffee’s identity and quality — with exact standards used worldwide.
The Anatomy of a Coffee Cherry: 7 Layers Explained
Discover the 7 distinct layers of a coffee cherry—from outer skin to inner seed—and how they impact coffee quality and processing.
Top Coffee Bean Origins Every Specialty Drinker Should Know
Explore the world’s most renowned coffee-growing regions—Brazil, Colombia, Jamaica, Indonesia, and Hawaii—with key flavor profiles and roast insights.
What’s Really Inside Specialty Coffee Beans?
Learn which chemical compounds shape your coffee's flavor, aroma, and effects—from caffeine to fat and beyond.
How Specialty Coffee Is Made From Bean to Cup
Discover the 7 critical factors behind every great cup of specialty coffee — from farm to brewing — explained in detail.
How to Judge Coffee Bean Quality by Appearance
Learn how to assess coffee bean freshness and quality by color, sound, shape, and aroma. Avoid defects that ruin your brew.
The 3 Main Types of Coffee Beans Explained
Learn which of the three main coffee species—Arabica, Robusta, and Liberica—is right for your brew, with details on flavor, growing conditions, and caffeine.
2005 Nicaragua CoE Winning Coffee Beans
Learn about the rare 2005 Nicaragua Cup of Excellence-winning coffee beans, their unique profile, and ideal roasting approach for specialty roasters.
Ethiopian Mocha Coffee Beans: Origins & Flavors
Explore Ethiopia’s legendary Mocha coffee, from its forest-grown origins to global export, with key profiles like Yirgacheffe and Harar.
82 Coffee Varieties in Specialty Coffee Field Trials
A 3-acre coffee variety garden holds 82 known coffee types, including 10 Catimor hybrids and Ethiopia’s wild forest species. Learn which ones shape today’s specialty market.
What Are Elephant Beans and Why Are They So Big?
Learn about Elephant beans (Maragogype), the rare giant coffee variety 3x larger than normal beans, and where they’re still grown today.
How Coffee Beans Grow: From Tree to Cherry
Learn how coffee cherries ripen, why some beans are rounder than others, and how long it takes for a coffee tree to produce fruit.
Brazil Coffee Grading: 5 Tiers Based on Cupping
Brazil grades coffee by cup quality, not altitude or bean size. Its 5-tier system focuses solely on flavor, with mesh size often noted too.