Coffee roasting process Toasting means turning coffee beans from green to brown. There are different ways to do this, and this affects the taste. Here I will discuss the principles of roasting and toasting. Read about the different ways to toast coffee at home on Tomi's blog. 1. roast steps There are three main steps in roasting: drying stage, darkening stage and stage of development or roasting stage. 2. Drying stage The coffee bean has a moisture content of 8 to 12%. We have to dry before the real roast starts. The drying stage usually lasts for 4 to 8 minutes with the traditional drum toaster (see toaster designs below). The temperature at the end of the drying step is typically 160 ° C. Especially with drum toasters, you should be careful not to burn the beans when it is very hot at first. The drying stage is also important for collecting energy for the beans because the last stage of the toast is exothermic (producing heat). 3. Stage of gilding At 160 ° C, the...
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