The reason why the black coffee is getting more and more sour
Many people drink black coffee, and after drinking it, they will find that the coffee becomes more and more sour. In fact, because the coffee bean itself is a kind of fruit, it is rich in tannin. When the temperature of the coffee drops, the tannic acid is released, and when the temperature is lower, the human taste is more obvious to the sour taste. So we will obviously feel that the coffee has obviously become sour after cooling. Of course, only good beans don't have much difference in flavor between hot and cold.
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Mantening Coffee hand-brewing method Teaching Golden Mantenin Coffee beans distinguish between true and false
As a high-quality coffee variety, Manning coffee is consumed by most coffee lovers as a single product. Of course, as other kinds of coffee, it is also an indispensable raw material.
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Does drinking coffee affect sleep?
Many people have the experience of being too excited to sleep after drinking coffee, because there is a conductive substance called adenosine in the body, which can control nerve activity. produce slow breathing, reduced mood, reduced gastric acid secretion and diuretic effects. On the other hand, caffeine will fake adenosine, making the body think that the effect of adenosine has already taken place, making you feel energized, stomach acid increases,
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