Coffee is rich in ingredients and brewing methods to share.

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Coffee is rich in ingredients and brewing methods. When it comes to coffee, we are familiar with it, and it is also very popular for us to drink coffee. It is very good for many people. It is not only a leisure drink, but also widely quoted in today's coffee. It also has a refreshing effect. The following editor will introduce the ingredients of coffee to you. The impact of drinking coffee on the body and some items that should be paid attention to when choosing and buying, etc.

Caffeine, which has a particularly bitter taste, 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.

Tannin, boiled tannin will decompose into pyrosylic acid, so coffee that has been brewed for too long will taste worse.

Fat, the most important of which are acidic fat and volatile fat.

Acidic fat, that is, fat contains acid, its strength will vary depending on the type of coffee.

Volatile fat is the main source of coffee aroma. It is a substance that emits about 40 kinds of aroma.

Protein, the main source of calories, does not account for a high proportion. Most of the protein in coffee powder will not dissolve out when brewing coffee, so the intake is limited.

Sugar, coffee raw 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, containing a small amount of lime, iron, phosphorus, sodium carbonate and so on.