S. Turer

The coffee flavor wheel is not just a visual aid for professional tasters. It is a practical diagnostic tool that tells you exactly why your cup tastes the way it does and, more importantly, how to change it. The SCA Coffee Taster’s Flavor Wheel maps over 110 flavor descriptors across three concentric rings, from broad […]

A cupping protocol is a standardized sensory evaluation method used to assess coffee quality, flavor, and consistency. The Specialty Coffee Association (SCA) defines the official cupping protocol with exact parameters: 8.25 grams of whole bean coffee per 150ml of water, ground to a particle size that passes 70-75% through a US Standard 20-mesh sieve, brewed

Coffee cupping is the professional sensory evaluation method used by Q Graders, specialty roasters, and baristas to assess coffee quality, identify flavor defects, and compare beans side by side under controlled conditions. The Specialty Coffee Association (SCA) cupping protocol defines every variable, from grind size to water temperature to steep time, so that results are

Coffee cupping is the standardized method professional tasters use to evaluate coffee quality, flavor, and consistency across origins, roast levels, and processing methods. The Specialty Coffee Association (SCA) cupping protocol defines every variable, from grind size to water temperature to slurp technique, so that results are comparable across any table in the world. This guide

The Maillard reaction is responsible for most of what makes roasted coffee smell and taste like coffee. Without it, your beans would taste flat, grassy, and unrecognizable. It is a cascade of chemical reactions between amino acids and reducing sugars that begins around 280°F (138°C) and accelerates dramatically as the roast progresses, producing hundreds of

Coffee tastes the way it does because of chemistry, not chance. More than 1,000 individual volatile and non-volatile compounds have been identified in roasted coffee, and the interaction between just a handful of them determines whether your cup tastes bright and fruity, rich and chocolatey, or flat and bitter. This guide covers every major flavor

A coffee refractometer tells you in seconds whether your espresso or filter coffee is actually extracted correctly, not whether it tastes like it might be. Without one, you are adjusting grind size and dose by taste alone, which means you are always one variable behind the problem. Total dissolved solids (TDS) and extraction yield are

Total dissolved solids (TDS) is the single number that tells you whether your coffee is too weak, too strong, or perfectly extracted. TDS measures the concentration of coffee compounds dissolved in your cup, expressed as a percentage of the total liquid weight. For brewed filter coffee, the Specialty Coffee Association (SCA) Golden Cup Standard defines

Coffee extraction is the process of dissolving soluble compounds from ground coffee into water. Every flavor in your cup, whether sweet, bitter, sour, or balanced, is a direct result of how much you extracted and which compounds came out first. Understanding extraction gives you control over every variable that matters: grind size, brew ratio, water

Chlorogenic acid is the dominant antioxidant compound in coffee, accounting for up to 12% of green coffee’s dry weight and driving most of its documented health effects. Every cup you brew delivers a measurable dose of this polyphenol, but the amount that reaches your mug depends almost entirely on roast level, brew method, and water