Coffee knowledge

Coffee extraction is the final and most crucial step in the brewing process. This guide breaks down the science of extraction—explaining how different compounds dissol...

Coffee chaff, also known as silver skin, sometimes appears as light flakes in ground coffee. Learn what coffee chaff is, why it shows up, and if it affects flavor.

  Sometimes roasted coffee beans develop a shiny, oily surface. But does that mean they’re stale—or is it completely normal? The truth is, coffee beans naturally cont...

This guide breaks down what espresso crema is, how it forms, the factors that affect it, and how to enjoy it. From coffee bean variety to brewing pressure, discover th...

Dark roast coffee is known for its bold, low-acidity flavor and rich aroma, created through longer roasting times that emphasize caramelization and Maillard reactions....

Light roast coffee is known for its bright acidity, floral aromatics, and fruit-forward flavors. This guide explains what defines a light roast, how it's developed dur...