Basic knowledge of boutique Coffee can Coffee keep healthy
Coffee is the most popular drink in the world. People like coffee more and more, whether at home or in the office, people drink coffee is a kind of feeling, is a kind of fashion, is a kind of leisure, is a kind of culture. But have you ever heard that coffee can also keep you healthy?
In Australia, tests on track and field athletes who consumed a small amount of caffeine showed that they could afford to train 30% longer than those who had not had coffee. The score is also 36% higher than usual.
The body's preferred source of energy during exercise is usually carbohydrates stored in the liver in the form of glycogen. Only after carbohydrate reserves are depleted (usually requiring more than 60 minutes of continuous aerobic exercise). Fat becomes a source of energy through metabolism, resulting in weight loss. However, researchers at the Australian Institute of exercise in Canberra found that caffeine contains substances that allow muscles to directly consume fat instead of normal carbohydrates during exercise.
The role of caffeine in promoting fat metabolism has been discovered by scientists studying sports performance. They found that cyclists who drank mild cola or coffee during the race rode faster and farther than those who drank water.
Jane Griffin, a sports nutritionist and adviser to the British Olympic sports delegation, said the findings could be important for everyone who exercises regularly. "A cup of coffee or cola absorbed by the body can quickly promote the dissolution of fat into the bloodstream, allowing the body to use fat as the main source of energy before converting its limited carbohydrate reserves into energy," she said. "
Coffee brings a lot of health to people. The principle of coffee and the content of health preservation are briefly introduced as follows:
I. the physiological effects of coffee on the human body
1. Coffee can play an antioxidant role in the human body. Coffee is rich in caffeine, caffeic acid, chlorogenic acid and other ingredients, which can effectively eliminate free radicals in the body and repair aging cells and tissues of the body.
2. Coffee contains polyphenol compounds, which can protect cardiovascular system, reduce low density lipoprotein in the body, dissolve blood clots and prevent thrombosis. A small amount of coffee can dilate blood vessels and prevent cardiovascular disease. High concentrations of coffee can also increase high blood pressure. Coffee can prevent and treat Alzheimer's disease and Parkinson's disease.
3. Caffeine is the most eye-catching of all ingredients in coffee. It belongs to a kind of plant lutein and has the same properties as theobromine and green theophylline. An appropriate amount of caffeine can stimulate the cerebral cortex, prolong the awake state of the brain, make thinking clear and agile, concentrate, relieve stress, regulate mood, relieve fatigue, and improve the effect of work and study. Low concentrations of caffeine have antidepressant effects. Promote sensory judgment, memory, emotional activity, strengthen myocardial contractility, dilate blood vessels, enhance blood circulation, improve body metabolism, reduce muscle fatigue, promote digestive juice secretion, increase body calorie consumption, appropriate consumption, have the function of losing weight.
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Coffee common sense the first instant coffee patent was born in the United States
On August 11, 1903, a Japanese chemist living in Chicago obtained the first American patent for instant coffee. Instant coffee dissolved with water first appeared in England in 1771, but it is easy to deteriorate because of its short shelf life. Therefore, this kind of coffee exists for a short time and is quickly eliminated. In 1853, an American tried a kind of powdered coffee, but the same
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Unhygienic knowledge of coffee drinking coffee can lead to a fatal risk of stroke
Drinking coffee, having sex, getting angry and even blowing your nose can greatly increase the risk of a fatal stroke, Dutch scientists have warned. Daily activities such as going to the bathroom, drinking a can of coke or jumping seem harmless, but surprisingly, they all cause a sudden rise in blood pressure and subarachnoid hemorrhage, a type of stroke that kills more than half of the patients.
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