The caffeine of deep roasted beans is higher than that of shallow roasted beans.
The melting point of caffeine is as high as 237 degrees Celsius, so the roasted caffeine is almost completely retained and dissolved in the cup. People often mistakenly think that the caffeine of deep-roasted beans is lower than that of shallow-roasted beans, but the fact may be just the opposite. due to the high rate of dehydration and weight loss of deep-roasted beans, it is necessary to brew coffee with more coffee beans, resulting in drinking more caffeine, so the caffeine of deep-roasted beans is higher than that of shallow-roasted beans. This is important.
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Coffee roasting Coffee beans Cinnamon, Metropolis, French three Baking stages
Roasting of coffee beans: coffee beans can cause subtle changes in flavor due to different degrees of roasting. Generally speaking, if the baking degree is shallow, the sour taste is heavier, with the deepening of the baking degree, the sour taste will gradually disappear, and the bitter taste will highlight the depth of the baking. Before roasting coffee beans, coffee roasters must decide the most appropriate roasting according to the types, characteristics and production methods of coffee beans.
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Oil yield and freshness of roasted coffee with boutique coffee beans
Oil yield and freshness: the appearance of freshly baked shallow baked beans should be dry without oil, and the surface of freshly baked deep baked beans should be oily. It is the correct idea that we should understand. When buying coffee beans, the appearance of oil, no oil is a reference index to judge the freshness, but not absolutely. The best policy is to buy reputable freshly roasted coffee beans.
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