Coffee Bean
Latest articles, industry insights and brewing guides
How to Build a Coffee Roaster from a Popcorn Machine
A maker shares how he turned a $90 popcorn machine into a functional coffee roaster with Arduino control, achieving ±1.7°C precision.
China’s Oldest Coffee: Zhu Kula’s Century-Old Trees
Discover Zhu Kula, China’s oldest coffee, grown from 120-year-old trees planted by a French missionary in 1892. Learn how this remote Yunnan village preserves its rare Typica heritage.
Major Specialty Coffee Origins Around the World
Explore the world’s key coffee-growing regions, from Ethiopia and Colombia to Jamaica and Hawaii, with their signature beans and flavor profiles.
How to Store Freshly Roasted Coffee Beans
Learn how to preserve the flavor of freshly roasted coffee beans for up to a week with proper storage methods.
Arabica, Robusta, and Liberica: The Three Main Coffee Species
Learn the key differences between Arabica, Robusta, and Liberica coffee species — including caffeine content, flavor, growing conditions, and global production.
How to Store Coffee Beans: 3 Key Factors That Affect Flavor
Learn the 3 main factors that degrade coffee—temperature, humidity, and light—and how long beans and grounds really last.
Coffee Bean Blending Basics: Acidic, Bitter, or Sweet?
Explore common coffee blend ratios for acidic, bitter, and sweet profiles, including recommended bean origins and fixed blends for consistency.
What Are the Most Acidic Specialty Coffee Beans?
Explore the most acid-forward specialty coffee beans, including Ethiopian Yirgacheffe, Kenyan, and Guatemalan origins known for bright, fruity profiles.
10 Key Factors When Buying Green Coffee Beans for Cafés
Before purchasing green coffee beans, consider these 10 essential quality indicators to ensure consistency, flavor potential, and roast performance.
How Ethiopia Grades Its Coffee Beans by Bean Appearance
Ethiopian coffee is graded 1 to 5 at origin. Washed beans get Grades 1 and 2; naturals are G3 to G5. Learn what each grade means.
How to Tell If Your Coffee Beans Are Fresh by Sight and Touch
Learn how to assess coffee bean freshness by smell, appearance, and sound. Three simple checks reveal whether your beans are still at peak flavor.
How to Choose Instant Coffee and Coffee Beans
Learn how to select quality instant coffee and fresh coffee beans based on flavor, aroma, packaging, and freshness indicators.
Single Origin Coffee Beans by Global Growing Region
Explore six global single origin coffees from Ethiopia to Jamaica, each defined by distinct flavor profiles based on region, altitude, and processing.
How Coffee Beans Are Classified by Taste: Acidic, Bitter, Sweet & More
Learn how coffee beans are grouped by flavor—acidic, bitter, sweet, neutral, or mellow—and why roast level and origin affect taste. Based on global specialty profiles.
How to Choose Coffee Beans: A Buyer’s Guide
Learn how to select coffee beans by understanding grading, processing methods, roast levels, and freshness factors that impact flavor.
Peaberry Coffee Beans: Good, Bad, or Just Different?
Peaberry coffee beans—oval singletons—are rare but not necessarily better. Only 5% of Kona beans are peaberries, and taste varies by origin.
What Are the Best Coffee Beans in the World?
Explore top global single-origin coffees including Jamaica Blue Mountain, Cuba Cubita, and Hawaii Kona—rare, flavorful, and highly prized.
Why Black Ivory Coffee Costs More Than Kopi Luwak
Thai elephant-digested Black Ivory Coffee sells for $1,100/kg—more than kopi luwak—due to rare enzymes that reduce bitterness and add fruit notes.
Hainan vs Yunnan Coffee Beans: Flavor & Origin Differences
Discover how Hainan and Yunnan coffee beans differ in flavor, origin, and growing conditions, with key taste profiles and production facts.
5 Practical Uses for Coffee Grounds Beyond Brewing
Don’t toss your used coffee grounds—reuse them as plant food, deodorizer, cleaner, skincare, or even a pillow filler.