Coffee Knowledge
Latest articles, industry insights and brewing guides
The Health Effects of Caffeine in Coffee: Benefits and Risks
Caffeine in coffee can boost alertness and may help prevent some diseases, but it also has potential downsides like sleep disruption and heart risks.
How Coffee Cup Color Affects Flavor Perception
Research shows white cups make coffee taste stronger and more bitter, while blue or clear cups enhance sweetness. Your mug matters.
How Coffee Benefits Your Health, According to Medical Experts
Medical experts confirm coffee protects your heart, liver, and metabolism — here’s what science says about safe, healthy coffee drinking.
How Often Should You Clean Your Espresso Machine?
A 19-day controlled experiment found that cleaning your espresso machine daily improves shot quality more than weekly or no cleaning.
Everything You Need to Know About Specialty Coffee Grinders
Learn how burr types, grind uniformity, and dosing features affect your espresso and filter coffee. Practical insights for better brewing.
How Melitta Bentz Invented the Coffee Filter
In 1908, German housewife Melitta Bentz invented the paper coffee filter, solving the problem of gritty coffee and changing brewing forever.
How Coffee Compounds Aid Fat Breakdown, Study Finds
A U.S. study found coffee contains a compound that helps reduce fat buildup and regulate blood sugar in mice over 15 weeks.
How a 74-Year-Old Grew Coffee Trees in Foshan, China
A retired farmer in Foshan successfully grew over 10,000 coffee trees in Guangdong’s subtropical climate, harvesting beans after four years.
How Much Coffee Should You Actually Drink?
A leading expert says drink more if you enjoy it—just cut your latest cup if it affects sleep. Here’s what science says about safe, healthy intake.
What Is Decaf Coffee and How Is It Made
Learn how decaf coffee removes 97–99% of caffeine while staying under 0.3%—and which processing methods preserve flavor best.
How Specialty Cafés Design Their Iconic Coffee Bars
Explore real-world examples of high-end coffee bars from around the world, showcasing the tools and setups that define professional specialty coffee spaces.
SCAA Gold Cup Standards for Drip Coffee Brew Ratio
Learn the ideal SCAA Gold Cup brew ratio: 1.15–1.35% TDS, 20% extraction, and 50–60g coffee per 1000ml water for drip filter coffee.
How to Calculate the Best Pour-Over Brew Ratio Using Extraction Science
Using a 20g coffee dose, we show how extraction rate and concentration determine ideal pour-over yield—and why 1:16 is often the sweet spot.
How to Blend Specialty Coffee for Espresso
Learn how to create balanced espresso blends, why blending matters, and which 5 FrontStreet Coffee blends suit your taste.
Common Espresso Problems and How to Fix Them
Fix weak crema, bitter shots, or uneven flow with these targeted espresso troubleshooting tips for home and shop baristas.
How 19th-Century Doctors Used Black Coffee to Treat Coughs
Historical records show 19th-century U.S. professors treated coughs in Taiwan with black coffee and sugar. Doctors say caffeine’s pain relief aids colds.
How to Process Coffee Using the Whole Fruit Method
Learn how Taiwan’s Chen Ruoyu developed an innovative 'whole fruit enzyme process' that boosts sweetness and sustainability in coffee.
How Low-Caffeine Coffee Is Made: Methods & Facts
Learn how low-caffeine coffee is produced, the three main decaffeination methods, and how much caffeine remains in the final cup.
How to Brew Coffee for Perfect Extraction and Strength
Learn how to achieve the ideal coffee flavor by balancing extraction (18–22%) and brew strength (1.15–1.35%) using the right brew ratio.
Six Essentials for Brewing the Perfect Cup of Coffee
Want better coffee? Start with freshly roasted whole beans, proper grind, the right water ratio, and good tools. Here’s how.