Coffee is a good friend of health. Scientists at the University of Georgia in the United States say that two cups of coffee a day can help relieve muscle soreness after strenuous exercise. You don't need to drink coffee often. You can recover your muscles by drinking two cups after exercise. Another advantage of coffee is that it can enhance physical strength, help you exercise for a longer time, and make the exercise effect better. Caffeine is an important component in group sports because it can improve attention and reaction ability. Drinking too much coffee, coupled with strenuous exercise, may lead to tachycardia and excitement, leading to insomnia, neurological disorders and other symptoms. Coffee is better than wine, and red wine and champagne are considered as essential traditional drinks for romantic dinners.
Coffee, like green tea, contains no caffeine. There are many opinions about coffee, both positive and negative. It is true that coffee helps erection and may lead to insomnia. Its main function on the body is to stimulate the nervous system. Usually a cup of instant coffee contains as much caffeine (or a little more) as a cup of strong black tea. However, people will carefully control the amount of coffee they drink from the afternoon, but they will not limit the amount of tea they drink. Doctors advise people not to drink coffee six hours before going to bed. So should drinking tea. Caffeine in tea has a more peaceful and lasting effect.
6. Decaffeinated coffee contains caffeine. Decaffeinated coffee contains less caffeine, which is 5 times lower than traditional instant coffee and 3 times lower than cola. 7. Decaffeinated coffee contains chemical components Decaffeinated coffee beans are roasted and treated with hot water to make caffeine particles "float" on the surface, and then the coffee beans are treated with organic solvent dichloromethyl. Scientists hope that the coffee processing methods adopted in the world can produce products that are harmless to human body.
8. The way of roasting and brewing determines the taste of coffee. The essential oil in coffee beans will evaporate at 200 degrees Celsius. The more essential oil is extracted during baking, the more bitter the taste of coffee is and the stronger the aroma of coffee is. According to the color of coffee beans, we can judge which baking method they are processed by. Raw coffee beans are white, even slightly blue. After baking, the color will become darker, from brown to black. The duration of brewing will also affect the taste and composition of coffee. If you want to extract all the caffeine, the longer the brewing time, the better.