Coffee beans the ingredients of coffee can be divided into the following categories
Caffeine: it has a particularly strong bitter taste and stimulates the central nervous system, heart and respiratory system. The right amount of caffeine can reduce muscle fatigue and promote digestive juice secretion. It also promotes kidney function, has a diuretic effect, and helps the body 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: 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 beans 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.
Coffee nutrients: per 100 grams of coffee beans contain 2.2 grams of moisture, 12.6 grams of protein, 16 grams of fat, 46.7 grams of sugar, 9 grams of cellulose, 4.2 grams of ash, 120 milligrams of calcium, 170 milligrams of phosphorus, 42 milligrams of iron, 3 milligrams of sodium, 0.12 grams of vitamin B2, 3.5 milligrams of nicotinic acid, 1.3 grams of caffeine and 8 grams of tannins. Every 100 grams of coffee extract contains 99.5 grams of water, 0.2 grams of protein, 0.1 grams of fat, 0.1 grams of ash, trace sugars, 3 mg of calcium, 4 mg of phosphorus, 2 mg of sodium, 0.01 mg of vitamin B2 and 0.3 mg of nicotinic acid. Dissolve 10 grams of coffee in hot water with 0.04 grams of caffeine and 0.06 grams of tannins.
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Common varieties of coffee beans in coffee shops
Blue Mountain is more popular than the general public. It is produced in Central America, Jamaica and the West Indies. It has the characteristics of mellow, slightly sweet in bitterness, soft and smooth, and slightly sour, which can make the taste more sensitive and taste its unique taste. It is the best of single coffee. Mantenin is rich in Sumatra, Indonesia, where special geology and climate are cultivated.
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Fancy coffee culture story The origin of all kinds of coffee
The word coffee comes from the Greek word Kaweh, meaning strength and passion. Coffee tree is an evergreen shrub belonging to the Capsicum family. Coffee for daily drinking is made from coffee beans with various cooking appliances. Coffee beans refer to the nuts in the fruit of coffee tree, which are roasted by appropriate roasting methods. There are many different flavors of coffee in the world, and they make up my today.
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