The advantages and disadvantages of coffee are moderately refreshing and excessive damage to the body.

The word "coffee" comes from a small town in Ethiopia called Kaffa, which means "strength and passion" in Greek. Coffee, tea and cocoa are called the world's three major beverage plants. Daily drinking coffee is made from coffee beans with a variety of different cooking appliances, and coffee beans refer to the nuts in the coffee tree fruit, and then roasted in an appropriate way, the main ingredient is caffeine, so the role of coffee is mainly the role of caffeine, can help digestion, help the decomposition of fat, etc., want to know more about the role of coffee, please pay attention to family doctor online.

What is coffee?

The word "coffee" comes from a small Ethiopian town called kaffa, which means "strength and passion" in Greek. Tea, coffee and cocoa are known as the world's three major drinks.

Coffee tree is a small evergreen tree belonging to Rubiaceae, originating in Ethiopia. Small evergreen tree or shrub of tropics and subtropics. Leaves long ovate, white flowers, dark red berries. There are small fruit, medium fruit, large fruit coffee and so on. The seeds are fried and ground into powder, which can be used to make drinks and has an exciting effect.

Daily coffee is made from coffee beans with a variety of cooking utensils, and coffee beans refer to the nuts in the coffee tree fruit, and then roasted with appropriate roasting methods.

Coffee is a drink made from coffee beans ground into powder and brewed with hot water. It tastes bitter, but it has a special aroma. It is one of the main drinks of Westerners. It originated in tropical Africa and is now cultivated in Yunnan, Guangdong and other provinces of China. Its seeds are called "coffee beans". Fried powder can be used as a beverage, that is, coffee.

The main components of coffee

Caffeine: has a particularly strong bitter taste and stimulates the central nervous system, heart and respiratory system. Moderate caffeine can also reduce muscle fatigue and promote digestive secretion. Because it promotes kidney function, it has a diuretic effect and helps the body expel excess sodium ions from the body. Too much caffeine can lead to caffeine poisoning.

Tannin: Boiled tannins break down into pyrochloric acid, so coffee brewed too long will taste worse.

Fats: The most important of these are acidic fats and volatile fats.

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

Volatile fat: the main source of coffee aroma, it is a kind of will emit about forty aromatic substances.

Protein: A major source of calories, but not a high percentage. Coffee powder protein in brewing coffee, most will not dissolve out, so intake is limited.

Sugar: Coffee beans contain about 8% sugar, most of which will be converted into caramel after roasting, making coffee brown and sweet with tannins.

Fiber: The fibers of the raw beans are carbonized after roasting and combine with caramel to form the hue of coffee.

Minerals: contains a small amount of lime, iron, phosphorus, sodium carbonate and so on.

Benefits of Coffee

Coffee contains certain nutrients. Nicotinic acid in coffee contains vitamin B, which is higher in roasted beans. And there are free fatty acids, caffeine, tannic acid and so on.

Coffee is good for the skin. Coffee can promote metabolic function, activate digestive organs, constipation has a great effect. Bathing with coffee powder is a kind of thermotherapy, which has the effect of losing weight.

Coffee has a hangover effect. Drinking coffee after drinking will quickly oxidize acetaldehyde converted from alcohol and decompose it into water and carbon dioxide and expel it from the body.

Coffee can eliminate fatigue. To eliminate fatigue, it is necessary to supplement nutrition, rest and sleep, and promote metabolic functions, and coffee has these functions.

Three cups of coffee a day can prevent gallstones. Caffeinated coffee stimulates contraction of the gallbladder and reduces cholesterol in bile, which can form gallstones. Harvard University researchers found that men who drink two to three cups of coffee a day have a 40 percent lower chance of developing gallstones.

Drinking coffee regularly can prevent radiation damage. Radiation damage, especially the radiation of electrical appliances, has become a more prominent pollution. Indian atomic researchers reached this conclusion in mouse experiments and said it could be applied to humans.

Coffee's health benefits. Coffee has the functions of antioxidation and heart protection, strengthening muscles and bones, benefiting waist and knees, stimulating appetite, eliminating fat, eliminating accumulation, removing dampness from orifices, activating blood circulation and removing blood stasis, stopping wind and stopping spasm, etc.

The emotional impact of coffee. Experiments have shown that the average person absorbs 300 mg (about 3 cups of brewed coffee) of caffeine a day, which will have a good effect on a person's alertness and mood.

Bad things about coffee

When you're nervous, you mess up.

Caffeine improves alertness, agility, memory and concentration. But drinking more coffee than you're used to can produce stimulants similar to those consumed in the same dose, which can cause nervousness. For people prone to anxiety disorders, caffeine exacerbates sweaty palms, palpitations and tinnitus.

Increased blood pressure

Caffeine is often combined with other simple painkillers because of its analgesic effect, but if you take it in large quantities for a long time, if you already have high blood pressure, using large amounts of caffeine will only make your situation worse. Because caffeine alone can raise blood pressure, when combined with emotional stress, it can have a dangerous multiplier effect, so people at risk for high blood pressure should avoid caffeinated beverages especially when they are under high pressure at work. Some regular coffee drinkers think they are immune to caffeine's effects, but that's not the case, with one study showing blood pressure can rise for up to 12 hours after drinking a cup of coffee.

induced osteoporosis

Caffeine itself has a good diuretic effect, if long-term and large amounts of coffee, easy to cause bone loss, bone preservation will have an adverse impact, for women, may increase the threat of osteoporosis. However, the premise is that the usual food is already lacking in adequate calcium intake, or people who do not often move, plus post-menopausal women, calcium loss caused by lack of estrogen, these conditions plus a lot of caffeine, may pose a threat to bones. If you can enjoy it in reasonable amounts, you can still do it without choking.