The origin and legend of coffee

The word "coffee" comes from the Greek word "Kaweh", which means "strength and enthusiasm". It is said that more than a thousand years ago, a shepherd found that sheep ate a plant, became very excited and lively, and then discovered coffee. It is also said that a coffee forest was accidentally burned by wildfire, and the smell of barbecue coffee attracted the attention of the surrounding residents.

Local aborigines often grind the fruit of coffee tree, then mix it with animal fat and knead it into many spherical balls. These indigenous tribes regard these coffee balls as precious food for soldiers who are about to go out. It was not until 1 1 century or so that people began to use brewed coffee as a drink.

/kloc-In the 3rd century, Ethiopian troops invaded Yemen and brought coffee to the Arab world. Because Islam forbids believers to drink alcohol, some religious people think that this kind of drink stimulates the nerves and violates the teachings. There was a time when coffee shops were banned and closed, but the Sultan of Egypt thought that coffee did not violate the teachings, so the ban was lifted and coffee drinks quickly became popular in the Arab region. The word coffee comes from Arabic Qahwa, which means "plant drink", and later spread to Turkey, becoming the source of this word in European languages. Arabs have also gradually improved the cultivation and production methods of coffee.

At first, coffee was very expensive in Europe, and only nobles could drink it. Coffee is even called "black gold". Until 1690, a Dutch captain sailed to Yemen and got several coffee seedlings, which were successfully planted in Indonesia. 1727 the wife of a diplomat in Guyana, the Netherlands, gave some coffee seeds to a Spaniard in Brazil, where he tried planting and achieved good results. Brazil's climate is very suitable for coffee growth, and coffee has spread rapidly in South America since then. Due to mass production, the price of coffee has dropped, and coffee has become an important beverage for Europeans.

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The benefits of coffee

Coffee beans contain about 100 different substances, including caffeine, tannic acid, oil and nitrogen compounds. Every100g of instant coffee contains 44 ~100g of caffeine; Every 100g of brewed coffee contains 64 ~ 124mg of caffeine. Coffee is a stimulant and has many effects on human body. It can induce diuresis, stimulate the central nervous system and respiratory system, dilate blood vessels, accelerate the heartbeat, enhance the strength of striated muscles and relieve brain and muscle fatigue.

Disadvantages of coffee

1, people who are used to drinking a lot of coffee stop drinking coffee, and they will have symptoms such as headache, irritability, muscle tension and nervousness, and the symptoms will disappear after taking caffeine.

2. Women during pregnancy and lactation should drink coffee in moderation, because caffeine will penetrate into the placenta and appear in breast milk.

3, drinking coffee will cause people's mental excitement, and caffeine will affect sleep within 4 hours after drinking coffee.

Reference: Baidu Encyclopedia-Coffee