Coffee (English: coffee) is a kind of beverage made from roasted and ground coffee beans. As one of the three major drinks in the world, it has become the main drink popular in the world together with cocoa and tea. Coffee tree is a perennial evergreen shrub or small tree of Rubiaceae. Coffee for daily drinking is made from coffee beans and various cookers.

Coffee beans refer to nuts in the fruit of coffee trees, which are baked in an appropriate way. A cup of standard coffee should not be bitter. A qualified barista will carefully perform every step when making coffee, and finally the coffee presented to the guests will show different degrees of sweetness, acidity, mellowness or cleanliness.

Coffee trees are native to the plateau area in southwest Ethiopia, Africa. 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.

There are three reasons for the rapid rise of coffee prices: First, the climate in Brazil, the world's largest coffee producer, has been dry since the end of 20 13, which is expected to affect coffee production; Second, some coffee producing countries in Central and South America are affected by coffee rust, and coffee production is expected to decrease; Third, coffee futures have been in a long-term downturn, and coffee futures speculators intend to raise the price of coffee and activate the coffee futures market.

Drinking taboo

1, remember that coffee is not suitable for drinking with tea. Tannic acid in tea and coffee can reduce iron absorption by 75%.

2. Tannic acid in tea and coffee will reduce the absorption of calcium. Therefore, it is best to drink tea and coffee between meals.

3. Caffeine-containing drinks and foods can cause nausea, vomiting, headache, and rapid heartbeat after being drunk in large quantities by pregnant women. Caffeine can also enter the fetus through the placenta, affecting fetal development.

4. Many doctors believe that pregnant women drinking 1 ~ 2 cups (6 ~ 8 ounces each) of coffee, tea or carbonated drinks every day will not affect the fetus. But for the sake of caution, it is best for pregnant women to ban it. Caffeine can lead to an increase in abortion rate, so drink decaffeinated drinks.