What is the basic knowledge of coffee? what do you need to pay attention to when making coffee?
The rest of the coffee:
Coffee flowers are white in color, fragrant jasmine, withered in about 3-4 days, and 6 petals (5 male and 1 female, split into two at the front end). The cotyledon tip of coffee is pointed, the two pieces are relatively grouped, the leaf surface is dark green, the back is light green, oval.
The higher the growth height of coffee beans, the higher the acidity, and the price of coffee beans is higher than that of coffee with proper sour taste, such as Blue Mountain Coffee, which is naturally balanced in sour, sweet and bitter taste and full of flavor, so the natural price is not cheap.
Coffee has four flavors and one fragrance: fragrance, bitterness, sour, mellow and fragrance. Aroma is the life of coffee and the best expression of coffee production process and roasting technology.
The ingredients of coffee:
The main ingredients in coffee are caffeine, tannin, fatty acids, protein, sugar, moisture and other minerals. The proportion of each ingredient is not the same for all kinds of coffee. It varies according to the type, production, storage and baking methods.
Raw bean
Baked beans
Concrete explanation
Water content
11.3%
2.5%
Fat
11.7%
13.2%
The fat contained in coffee plays a very important role in flavor, mainly acidic fat and volatile fat. The strength and type of acid in acidic fat vary. Volatile fat is the main source of coffee flavor. It can emit about 40 kinds of aromatic substances. Once the fat in roasted coffee beans comes into contact with the air, in addition to chemical changes, the taste and flavor also become very poor.
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The difference between coffee varieties is where they have what characteristics
At present, there are about 66 countries in the world to grow coffee beans, which can be classified into Arabica, Robusta, Liberica three kinds, Arabica is currently the largest group of major coffee bean varieties, the yield of about 80% of its flavor, quality are excellent. Robusta is used to make instant coffee because of its poor quality. Liberica is poor in quality and low in yield; it is rarely mentioned. coffee
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The growth habits of coffee the distribution of coffee the three main types of coffee
Coffee trees grow in national farms in tropical or subtropical regions known as coffee belts centered at the equator and between latitudes of 25 degrees south and north. At present, coffee is produced in more than 60 countries, widely distributed in South America, Central America, the West Indies, Asia, Africa, Arabia, the South Pacific and Oceania. In terms of output, Brazil, which accounts for the first place in the world, accounts for about 30%; the second
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