What do you know about coffee?

Editor's note: coffee was first popular in Europe and the United States, and then gradually spread to China. Nowadays, there are many people in China who like to drink coffee, so, do you know the common sense about coffee? What are the taboos on coffee?

Coffee introduction

The word "Coffee" comes from a small town in Ethiopia called kaffa, and in Greek "Kaweh" means "strength and passion". Tea, coffee and cocoa are called the three major drinks in the world.

Coffee tree is a small evergreen tree of Rubiaceae. Coffee for daily consumption is made from coffee beans combined with various cooking utensils, and coffee beans refer to the nuts in the fruit of coffee trees, which are then roasted by appropriate roasting methods.

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After that, he became sober, but the range was very small. Decaffeinated coffee has a more obvious effect on women than men. The researchers say the effects of caffeine can last for two or three hours, and some can last as long as four or five hours, depending on individual sensitivity and metabolic rate.

The nutritional value of coffee

1. The main ingredients of coffee are caffeine, fat, protein, carbohydrates, inorganic salts and vitamins.

two。 The seeds obtained by removing the pericarp and most of the seed coat after the fruit is ripe are called raw coffee or coffee beans. Raw coffee is roasted and ground to get coffee powder, which can be used to make a drink. Coffee tastes bitter, has a specific flavor, contains caffeine alcohol and 1.3% caffeine alkaloids, and is an anesthetic, diuretic, excitatory and cardiotonic drug.

The edible effect of coffee

1. Refreshing

Coffee contains caffeine, which can stimulate the central nervous system, promote the decomposition of liver glycogen and increase sugar. Moderate drinking can make people temporarily energetic and quick-thinking.

two。 Anti-radiation

Coffee can strengthen the heart and improve the basic metabolism of the human body, and can relieve cerebral vasospasm and the spasm of tracheal smooth muscle. Drinking the right amount of coffee can reduce the radiation damage caused by light wave, electromagnetic wave and so on.