Physical Changes During Roasting
Physical Changes During Roasting - Coffee changes color loses moisture, expands, and becomes brittle as it is roasted. While all coffee professionals assign names to roasting stages based on seed color, there is no universal agreement on what level of roasting each term denotes.
1. Discoloration – Color Changes
Although the seeds decrease the quantity of water at the same rate throughout the roasting process, the initial stage of the roasting process is often referred to as the “drying phase.”
The chlorophyll degradation …