Coffee Technology
Latest articles, industry insights and brewing guides
The Origins and Global Journey of Coffee Culture
Explore the true story of coffee’s discovery, spread, and cultural evolution across continents, from Ethiopia to your cup.
What Is the Coffee Gold Cup Standard and How Does It Work?
Learn the science behind the coffee Gold Cup standard: target 18–22% extraction and 1.15–1.45% TDS for balanced brews across methods.
How Brazil Grades Its Specialty Coffee Beans
Brazil classifies its coffee into five quality tiers based on cup profile, with 'Strictly Soft' being the highest grade for smooth, sweet espresso beans.
How to Steam Milk for Silky Smooth Microfoam
Learn how to steam milk to 55–65°C with the right technique for velvety microfoam that blends perfectly with espresso in a cappuccino.
How to Drink Coffee Without Losing Calcium
Learn how much calcium you lose from coffee, how milk helps, and the best ways to keep your bones strong while enjoying your daily brew.
Review: Proaster THCR-O1 Commercial Coffee Roaster
The Proaster THCR-O1 delivers rich, uniform roasts with a semi-hot explosion system in just 10–20 minutes per batch. Ideal for serious commercial roasters.
The Evolution of Commercial Coffee Machines: From Steam to E61
Explore how commercial coffee machines evolved from 19th-century steam-powered devices to the iconic E61 model, shaping modern espresso brewing.
What Is Stone Roast Coffee? Origins and Brewing Guide
Learn how stone roast coffee is made using Japanese minerals and layered roasting, plus how to brew it properly for a bold, balanced cup.
How to Make Perfect Coffee Latte Art Step by Step
Learn the essential techniques for creating latte art, from steaming milk to pouring patterns like hearts and leaves.
How to Quickly and Accurately Grade Green Coffee Beans
Learn how green coffee beans are graded by size, density, and defect count per pound—and what those grades really mean.
How to Grind Coffee Beans for Every Brewing Method
Learn the right grind size for espresso, pour-over, French press and more. Match your coffee grinder settings to your brewing device.
How to Blend Coffee Beans for Different Flavors
Learn how to mix coffee beans to create unique flavor profiles, with recommended base beans, ratios, and blending methods.
How to Evaluate New Coffee Beans Using Cupping
Learn how coffee professionals assess green bean quality through standardized cupping methods, including grind size, water temp, and scoring.
How to Visually and Sensory Identify Good vs Bad Green Coffee Beans
Learn how to spot bad green coffee beans before roasting using visual cues, smell, sound during grinding, and early signs in brewing.
How Probat Designs Coffee Roasting Factories
Learn how Probat builds full-scale coffee roasting facilities, from green bean intake to energy-saving roasting systems.
How Probat Roasting Factories Control Emissions & Process Coffee
Learn how Probat factories handle emissions, process green beans, roast, and package coffee with high efficiency and environmental controls.
Top 10 Countries That Drink the Most Coffee per Person
Finland leads the world in coffee consumption, with 9.6 kg per person annually. See the full ranking of nations by daily intake.
Best Milk for Steaming and How to Froth Fine Microfoam with a Semi-Automatic Machine
Find out which milk types produce the best microfoam and learn the key steps to steaming smooth, stable milk with a home semi-auto machine.
How to Evaluate a Good Cup of Coffee by Taste
Learn the key standards for evaluating coffee taste, including aroma, flavor, and mouthfeel, with professional sensory descriptions.
The History and Role of the International Coffee Organization
Founded in 1963, the ICO unites coffee importers and exporters to stabilize markets. Learn how it shapes global coffee trade today.