The main function of coffee refreshing is that it is rich in caffeine. Caffeine can affect the functions of brain, heart, blood vessels, gastrointestinal tract, muscles and kidneys. Moderate caffeine can stimulate cerebral cortex, promote sensory judgment, memory and emotional activities, make myocardial function more active, dilate blood vessels, enhance blood circulation and improve metabolic function. It has the function of losing weight.
Studies have shown that drinking coffee can accelerate the burning of fat because coffee contains caffeine and chlorogenic acid. Caffeine can accelerate the body's metabolism, help the pancreas secrete lipase, help decompose fat, and achieve the effect of burning fat. Chlorogenic acid is a kind of polyphenol, which can promote lipid metabolism, prevent fat from accumulating in the body, burn fat to lose weight and keep people awake.
Many people think that coffee is a kind of "spiritual food" because it contains caffeine, which can keep people awake at all times. When a person feels tired, there will be an "adenosine" substance in the body, which will act on the neurotransmitter pathway of "adenosine receptor" in the brain, making people feel sleepy easily. Caffeine can prevent adenosine from causing drowsiness and keep people awake. So many people drink coffee to refresh themselves, so that they won't be tired at work and reduce the chance of making mistakes. Drinking coffee is good for your skin.
Drinking coffee can accelerate metabolism, promote skin metabolism, help skin to expel aged keratin, and fade spots, dark circles and wrinkles. Coffee also has a strong antioxidant effect. Female friends can drink some coffee properly, which can maintain skin vitality, prevent cell aging and fight aging.