Coffee beans roasting knowledge: coffee beans present different taste and flavor characteristics under different roasting degrees
Taste and flavor characteristics of coffee beans under different baking depth
The roasting of coffee beans directly determines the aroma of coffee beans. Even if the raw coffee beans are very good, the roasting is not good, but also can not get very good coffee cooked beans, of course, can not make good coffee. Only with good coffee raw beans, after proper roasting, can good coffee ripe beans be processed, and a good prerequisite for making good coffee can be provided.
The shorter the baking time, the lighter the color of the coffee beans and the stronger the sour taste. The longer the roasting time, the closer the color of the coffee beans to the dark brown and the more bitter.
The different roasting depth of coffee makes coffee beans have different characteristics and taste flavor. the characteristics of coffee beans at each roasting depth are as follows:
Source: Douban net
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The difference between hand-picking method and shaking method of coffee beans different methods are adopted in different areas.
The harvest time and methods of coffee vary from place to place, generally speaking, about 1-2 times a year, sometimes up to three or four times. The harvest time is mostly in the dry season. In Brazil, for example, around June, it starts from Basiya in the north-east and ends in Parana in the south around October. The harvest period of Central American countries is from September to January next year, from lowland to high.
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Coffee roasting knowledge: how much does the weight of cooked coffee beans decrease after roasting?
Weight reduction: due to the evaporation of water, the weight is reduced by 15-20%. In general, the moisture content of our coffee beans is 10-12%. In addition, the weight lost is generally in silver skin, dust, material changes, and carbon dioxide loss. Most of the less weight is moisture. Volume increase: due to the formation of CQ2, the volume increases by 30-60% and the specific gravity of the components changes:
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