The main ingredients of coffee basic knowledge of fine coffee
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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Types of coffee drinks 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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Coffee Culture in Switzerland Coffee is no longer a mystery to the Chinese
Coffee is no longer a mystery to Chinese people and is accepted by more and more people. In fact, as a basic drink for human beings, coffee has a history of at least 500 years. In the countries of tea culture in Asia, coffee has become more and more important. People often associate coffee with nobility, elegance and nobility to distinguish it from tea. However, Japan has become the second country after the United States and Germany.
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