Why can you feel a little sweetness when tasting black coffee?
Most people taste coffee only bitter, sour, astringent three kinds, in fact, raw coffee beans contain about 5~8% sugar, after high temperature roasting, most of the sugar will be converted into caramel, this caramel effect for coffee to bring a unique tea brown, the formation of flavor and bitter source, and the remaining sugar is left a little sweet. In addition, the tannins released by roasting good coffee beans combine with the brown caramel to produce a slightly bitter sweet taste. Most people taste coffee only bitter, sour, astringent three kinds, in fact, raw coffee beans contain about 5~8% sugar, after high temperature roasting, most of the sugar will be converted into caramel, this caramel effect for coffee to bring a unique tea brown, the formation of flavor and bitter source, and the remaining sugar is left a little sweet. In addition, the release of fine coffee beans when roasted
The tannins that come out, combined with brown caramel, also produce a slightly bitter sweet taste.
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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 coffee is brewing.
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Basic knowledge of Italian-flavored coffee
1. Espresso means espresso. In fact, Espresso is Latin, which originally means to put under pressure, which means fast in Italian. The Italians invented the first espresso machine in the 19th century. It is characterized by the use of steam pressure to extract the coffee liquid instantly under high temperature and high pressure. Espresso is a variety of coffee beans that are accurately blended.
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