The general knowledge of fine coffee explains the composition of coffee in detail.
1. Caffeine: it has a strong bitter taste and stimulates the central nervous system, heart and respiratory system.
2. Tannic acid: decomposition after boiling will make the coffee taste worse.
3. Fat: volatile fat is the main source of coffee aroma.
4. Protein: it probably won't dissolve out.
Sugar: converted to caramel after baking, resulting in sweetness.
6. Fiber: it will be carbonized after baking and combine with caramel to form the color of coffee.
7. Minerals.
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General knowledge of fine coffee common coffee brewing method
1. Soaking method: the simplest and most traditional method. 2. Steam pressurized type: in addition to the Italian coffee maker used in most cafes at present, the mocha pot also belongs to the steam pressurized type. 3. Siphon: commonly known as glass ball, it is a favorite of many coffee fans. 4. Filter paper brewing: it is the most easy and hygienic way to brew. 5. Water drop method: also known as ice drop coffee, cold water extraction, the process is slow, but mouth
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Boutique coffee what is an Espresso with good common sense?
A good Espresso can see tiger spots! What is tiger spot? Coffee fat (creme), an amber foam floating on the surface of espresso. Coffee fat is a combination of emulsions and foam colloids, made up of vegetable oils, proteins and sugars. Because it contains more dissolved matter per unit volume, espresso is stronger than water drop coffee.
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