Refreshing yourself with coffee? You're just deceiving your body.
Many people are used to drinking coffee because it is refreshing. In fact, its pick-me-up effect is not as good as everyone thought.
There are no less than hundreds of ingredients in coffee. Among them, caffeine is undoubtedly the most important, and many people attribute coffee's boost to caffeine. Although there is decaffeinated coffee, for most coffee lovers, it is not "real" coffee at all.
In theory, caffeine does have a refreshing effect. When people don't have a rest for a long time, they naturally feel tired and tired. When the body is tired, it tells the brain through a signaling substance called adenosine. And the more tired the body, the more this substance.
But for the brain to know, "I'm tired," you have to dock the substance with a particular receptor in the brain. The caffeine in coffee can also bind to this receptor-and block the messenger, which is equivalent to blocking the normal binding of other receptors. In this way, the brain will not be able to receive signals from fatigue materials, and it will not feel tired, and it can carry it for 4 to 6 hours to have a "refreshing" effect. However, the amount of adenosine that makes people feel tired has not decreased. So caffeine is just a way to cheat the body. (Kexin Food and Nutrition Information Exchange Center Nguang Guangfeng)
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Refit picture of mobile coffee car
Opening a coffee shop is the dream of many people. At present, China has 5 cups of coffee per capita, which is far lower than about 240 cups per capita in Japan and South Korea. There is a huge market space for the coffee industry. If you want to open a coffee shop, you have to choose a good location in addition to the good taste of coffee, but the rent for a good location is relatively high, so the investment to open a coffee shop is generally large. Is there a good position and less investment?
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Two coffee pests were intercepted and destroyed at Kunming Airport to destroy 3366.6 kilograms of prohibited items.
The intercepted fox skins, the live Japanese worms seized in the express mail, have been made into specimens. On the 14th, the Kunming Airport entry-exit Inspection and Quarantine Bureau destroyed 3366.6 kilograms of prohibited items seized in the first quarter of this year, including some things that people like to do overseas shopping. According to reports, with the increasing frequency of international exchanges and the rapid development of e-commerce
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