Common sense of coffee Why do some coffees taste sour?
Varieties such as Mocha, Colombia, Guatemala and Costa Rica. The degree of roasting is also related to the acidity of the coffee, usually the lightly fried coffee beans also contain organic acids, so the coffee washed out tastes sour, while the deep-fried coffee beans, because the high temperature of the fried beans has released the organic acids contained in the coffee beans, so the acidity of the coffee is low. The reason why the coffee will be sour is that the coffee is stirred too many times during brewing or the brewed coffee stays on the heat preservation plate for too long. Whether coffee tastes sour is mostly due to the variety of coffee, some of which have high acidity, such as Kenya, Mocha, Colombia, Guatemala and Costa Rica.
The degree of roasting is also related to the acidity of the coffee, usually the lightly fried coffee beans also contain organic acids, so the coffee washed out tastes sour, while the deep-fried coffee beans, because the high temperature of the fried beans has released the organic acids contained in the coffee beans, so the acidity of the coffee is low. The coffee is stirred too many times during brewing, or the brewed coffee is on the heat preservation plate.
Staying on for too long is the reason why the coffee will be sour.
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Coffee common sense how to store coffee beans?
Improper preservation methods will affect the quality and flavor of coffee. Generally speaking, the storage period of coffee after opening-coffee beans for four weeks, coffee powder is slightly shorter. Vacuum-packed coffee beans can last up to four months if they are not unsealed. Storage packaging is a great knowledge in order to minimize the physical and chemical changes of coffee. Coffee beans bought home should be stored in a sealed container and can be placed in
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Why can you feel a little sweetness when tasting black coffee?
Most people only taste bitter, sour and astringent coffee. In fact, raw coffee beans contain about 50.8% sugar. After baking at high temperature, most of the sugar will be converted into caramel. This caramel effect brings a unique tea brown to the coffee, forming a source of aroma and bitterness, while the remaining sugar leaves some sweetness. In addition, when roasting high-quality coffee beans,
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