Coffee and healthy coffee aroma enhance brain activity
Do you drink coffee to keep your head clear? Or to enjoy the rich and warm fragrance? Rodents can alter the activity of brain genes simply by smelling coffee, an international team of scientists has reported.
Han-Seok Seo and his colleagues point out that hundreds of studies have been done on the ingredients of coffee, especially the health benefits of coffee. "but few studies have dealt with the aroma of coffee, which is the first to show that the aroma of coffee beans can relieve the mental stress caused by coffee stimulation and sleep deprivation."
In experiments with mice, scientists have found that the aroma of coffee can stimulate the activity of some genes and change the protein expression of genes, thus helping mice reduce the mental stress caused by sleep deprivation.
To fill the gap, scientists asked some sleepless rats to inhale the aroma of coffee and analyzed their brain gene and protein expression.
Compared with the mice in the forced insomnia group, the mice with forced insomnia and coffee inhalation showed different activities on 17 genes, 13 genes on mRNA, and beneficial antioxidant activity that maintained the stress resistance of neurons.
So does the taste of coffee really change the activity of genes in the human brain? The international team of scientists has not yet made a corresponding report.
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Coffee knowledge must know a little common sense of brewing coffee
Some people say that, in fact, only 50% of each cup of coffee is made of coffee beans and sugar, and the other 50% is a complex thing called feeling. Some friends will think that no matter in any way to brew coffee, the coffee powder that has been brewed once will have to be discarded, which will feel very wasteful. Especially for some coffee that is more expensive, the coffee powder should be brewed many times.
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Coffee common sense steps for tasting coffee
When high-class people go to cafes or enjoy coffee at friends' houses, personal demeanor and clothes are very important. It may be important to have some unwritten traditional courtesy of coffee, such as not talking all the time with the cup or running around the house with the coffee, and put the cup down at this time. Also, do not add sugar or cream to other people's coffee without asking for permission.
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