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Coffee

Good flavor and aroma, combined with the stimulant caffeine, have helped to make coffee one of the most popular drinks in the world. Coffee is prepared by brewing the roasted and

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Слайд 1coffee

coffee

Слайд 3Good flavor and aroma, combined with the stimulant caffeine, have

helped to make coffee one of the most popular drinks

in the world. Coffee is prepared by brewing the roasted and ground beans of a coffee tree in water. It takes at least 20 steps to get from a coffee tree to a steaming cup of coffee.
Good flavor and aroma, combined with the stimulant caffeine, have helped to make coffee one of the

Слайд 5There are at least 60 species of coffee trees in

the world. Because the coffee tree requires a warm climate

and plenty of moisture, it is grown in the tropical areas of the world.
There are at least 60 species of coffee trees in the world. Because the coffee tree requires

Слайд 7Since the mid-1800s, Brazil has been the foremost coffee-growing nation.

Other Latin American countries, particularly Colombia, are also major producers

of coffee as are Indonesia and the African countries of Côte d'Ivoire and Ethiopia.
Since the mid-1800s, Brazil has been the foremost coffee-growing nation. Other Latin American countries, particularly Colombia, are

Слайд 9Two varieties of the coffee tree—Arabica and Robusta—account for almost

all of the world's production of coffee. Arabica is the

most popular because it has more flavor and fragrance than Robusta.
Two varieties of the coffee tree—Arabica and Robusta—account for almost all of the world's production of coffee.

Слайд 11Arabica is grown in Central and South America, the Caribbean,

and Indonesia. Robusta, on the other hand, is grown mainly

in Africa. It has gained importance because it is resistant to disease and useful in making instant coffee.
 

Arabica is grown in Central and South America, the Caribbean, and Indonesia. Robusta, on the other hand,

Слайд 13An ordinary cup of coffee contains about 150 milligrams of

caffeine, a chemical substance found naturally in coffee beans. Caffeine

stimulates, or arouses to greater activity, the heart muscles as well as the central nervous system.
An ordinary cup of coffee contains about 150 milligrams of caffeine, a chemical substance found naturally in

Слайд 15For some people, drinking a cup of coffee in the

evening makes it difficult for them to fall asleep. Although

there are side effects associated with drinking coffee, coffee is not considered harmful to the average adult. However, young children should not drink it.
For some people, drinking a cup of coffee in the evening makes it difficult for them to

Слайд 16Because of the negative effects of caffeine, researchers have developed

decaffeinated coffee. In decaffeinated coffee, the caffeine is removed from

the beans before roasting. This way, coffee can be enjoyed without experiencing the side effects of caffeine.

Because of the negative effects of caffeine, researchers have developed decaffeinated coffee. In decaffeinated coffee, the caffeine

Слайд 17Another type of coffee is instant coffee. Developed after World

War 2, this coffee powder dissolves immediately in hot water.

Another type of coffee is instant coffee. Developed after World War 2, this coffee powder dissolves immediately

Слайд 18Finally, espresso is a special brew made from finely ground,

darkly roasted coffee. Popular in Europe, espresso is prepared by

forcing steam through the coffee grounds. Because of the concentrated nature of espresso, it is usually consumed in small amounts or with milk.

Finally, espresso is a special brew made from finely ground, darkly roasted coffee. Popular in Europe, espresso

Слайд 20Coffee is believed to have originated in Ethiopia, in Africa,

in about the 6th century AD. From Africa, coffee was

brought to Arabia. At first, it was used as a food, as a medicine, and in wines. It appeared in the familiar drink form in about the 11th century.
Coffee is believed to have originated in Ethiopia, in Africa, in about the 6th century AD. From

Слайд 21In the 16th and 17th centuries coffee became a popular

drink in Europe and its colonies, including the Americas. Until

that time it was grown only in Arabia, but in the 17th century Dutch merchants helped spread the cultivation of coffee to Indonesia.
In the 16th and 17th centuries coffee became a popular drink in Europe and its colonies, including

Слайд 22 In the 18th century it spread to the Americas.

Coffeehouses soon became popular in England and in the colonies,

and they remain popular today.
In the 18th century it spread to the Americas. Coffeehouses soon became popular in England and

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