The Physics Of Filter Coffee - Pdf Full [portable]

Coffee extraction follows a saturation curve, often divided into three phases:

Roasting is the first step in the coffee-making process. During roasting, coffee beans undergo a series of complex physical and chemical changes. The Maillard reaction, a non-enzymatic browning reaction between amino acids and reducing sugars, occurs when coffee beans are heated to high temperatures. This reaction leads to the formation of new flavor compounds and browns the beans.

A bed of coffee grounds behaves as a porous medium. The flow of water through this bed determines the contact time and extraction uniformity, modeled mathematically by . Darcy's Law in Coffee Brewing