There is no problem with three cups of coffee a day.
The chemical composition of coffee is very complex, there are thousands of kinds, and there are even nearly 200 unknown chemical substances, but in view of the fact that coffee is the third largest trading product in the world, Western and Arab countries have not seen a higher mortality rate than the Chinese in the history of drinking for hundreds of years, which shows that coffee is still safe as a beverage.
The most notorious thing in coffee is caffeine. Although caffeine is common in daily drinks such as tea and cola, even the content of caffeine in some tea drinks is higher than that of coffee, because this substance is called "coffee". So when we talk about it, we think of coffee.
The caffeine content in coffee varies greatly depending on the breed, with a caffeine content of 1.1%-1.5% in Arabica and 2.5-4% in Roboste. In addition, the water solubility of caffeine is also affected by extraction temperature and time, generally a cup of American coffee caffeine around 150mg, handmade coffee (siphon pot, etc.) 120mg, espresso is about 80mg.
The body's daily caffeine intake within 300mg is safe, and of course it varies according to height and weight, but generally speaking, there is no problem with three cups of high-quality coffee a day.
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The function of coffee since coffee can be used as medicine, of course, it also has its negative effects.
There are great differences of opinion among doctors on the characteristics of coffee. Some doctors think that coffee is a cold dry substance, while others think it is a hot dry substance. There are also arguments that the peel of coffee is different from the properties of coffee beans. A playful pamphlet published in Europe in 1663, which, in modern terms, is black humor, citing how a lot of coffee is cured.
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10 facts about coffee
The latest research confirms that coffee health care, can prevent cancer, delay aging, but drink too much will also cause harm to health, so it is important to grasp the good degree. Here are 10 facts about coffee that are good for you and your understanding of coffee. Coffee is good for your health. Doctors say coffee has both advantages and disadvantages, so moderate coffee consumption is the best way to improve your health.
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