The active ingredient of coffee-- the secret that must be known.
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
Boiled tannic acid will decompose into pyrouric acid, so coffee that has been brewed for too long will taste worse.
Fat
The most important of these are acidic fat and volatile fat.
Acid 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 substance that emits about 40 kinds of aroma.
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
Raw coffee beans contain about 8% sugar. After roasting, most of the sugars are converted to caramel, which browns the coffee and combines with tannins to produce sweetness.
Fibre
The fiber of raw beans will be carbonized after baking and combine with caramel to form the hue of coffee.
Mineral substance
Contains a small amount of lime, iron, phosphorus, sodium carbonate and so on.
Table of nutritional components of coffee
The nutrients in every 100 grams of coffee beans are shown in the following table
Water 2.2g protein 12.6g fat 16g sugar 46.7g cellulose 9g ash 4.2g calcium 120mg phosphorus 170mg iron 42mg sodium 3mg vitamin B20.12g nicotinic acid caffeine 1.3g tannin 8g
The nutritional composition of every 100 grams of coffee extract is shown in the following table.
Moisture 99.5g protein 0.2g fat 0.1g ash 01g sugar trace calcium 3mg phosphorus 4mg sodium 2mg vitamin B20.01 mg nicotinic acid 0.3mg dissolve 10 grams of coffee in hot water, the caffeine content is 0.04g, the tannin content is 0.06g.
- Prev
Drinking coffee in the morning and wearing loose clothes to work are more likely to lead to fatigue.
Without doing much heavy work, you are physically exhausted and do not have the spirit to work, which is not necessarily caused by complicated affairs.
- Next
7 Healthy Principles of Coffee
1, a cup of coffee in the morning to enjoy a cup of mellow good coffee in the morning, as if the whole body cells have been awakened, many fans will drink coffee as a ceremony, for a new day kicked off. In addition to the spiritual satisfaction, drinking coffee in the morning has many benefits. First of all, caffeine stimulates the central nervous system of the brain, which can boost the spirit and make people concentrate.
Related
- Beginners will see the "Coffee pull flower" guide!
- What is the difference between ice blog purified milk and ordinary milk coffee?
- Why is the Philippines the largest producer of crops in Liberia?
- For coffee extraction, should the fine powder be retained?
- How does extracted espresso fill pressed powder? How much strength does it take to press the powder?
- How to make jasmine cold extract coffee? Is the jasmine + latte good?
- Will this little toy really make the coffee taste better? How does Lily Drip affect coffee extraction?
- Will the action of slapping the filter cup also affect coffee extraction?
- What's the difference between powder-to-water ratio and powder-to-liquid ratio?
- What is the Ethiopian local species? What does it have to do with Heirloom native species?