The main ingredient of coffee is caffeine with a strong bitter taste.
Caffeine: it has a particularly strong bitter taste and stimulates the central nervous system, heart and respiratory system. Appropriate amount of caffeine can also reduce muscle fatigue and promote digestive juice secretion. Because it promotes kidney function, it is diuretic and helps the body to expel excess sodium ions from the body. But eating too much can lead to caffeine poisoning.
Tannic acid: the boiled tannic acid will decompose into pyrouric acid, so the coffee that has been brewed for too long will taste worse.
Fat: the most important ones are acid fat and volatile fat. Acidic fat: that is, fat contains acid, its strength will vary according to the type of coffee. Volatile fat: is the main source of coffee aroma, it is a kind of aroma will emit about 40 kinds of aromatic substances.
Protein: the main source of calories, the proportion is not high. Most of the protein in coffee powder will not dissolve out when brewing coffee, so the intake is limited.
Sugar: coffee beans contain about 8% sugar. After baking, most of the sugars are converted to caramel, which browns the coffee and combines with tannins to produce sweetness.
Fiber: the fiber of raw beans will be carbonized after baking and combine with caramel to form the hue of coffee.
Minerals: contains a small amount of lime, iron, phosphorus, sodium carbonate and so on.
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People who drink coffee in a coffee shop are people with "taste".
Most people think that the fancy coffee drunk in the coffee shop is a taste, but in fact it is wrong! The word "tasting fancy coffee" in a coffee shop is misused. People who drink coffee in a coffee shop are tasteful people. What is tasteful: just drink it! Position: it is status! So you don't think that people who have drunk coffee are people with good taste. What is the taste for friends who like coffee? That is, five points: acid: I
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Types of coffee some common types of coffee
Many varieties of coffee served by coffee shops have a variety of flavors, such as chocolate, wine, mint, cloves, lemon juice, cream, etc., and people of different nationalities have different tastes of coffee. Here are some common types of coffee: black coffee, also known as black coffee, only coffee white coffee: add milk cappuccino to the coffee: also known as milk coffee, steam pressure brewed strong
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