Why drinking tea can refresh your mind? Revealing the magic ingredient in tea!

Tea as a time-honored beverage, not only has a mellow taste, but also contains a wealth of nutrients, of which, some components are more refreshing effect. So, how does drinking tea actually play a role in refreshing? This is attributed to the following several magical ingredients in tea:

• caffeine (loanword)Caffeine is a central nervous system stimulant that can stimulate the cerebral cortex, increase alertness and excitement, and thus achieve the effect of refreshing the brain. Although the caffeine content in tea is not as high as that of coffee, it can also play a certain role in refreshing the mind. Generally speaking, black tea has the highest caffeine content, followed by green tea, oolong tea and white tea.
• theanine: Theanine is an amino acid that has a soothing, calming and tranquilizing effect. Tea contains both caffeine and theanine, which work synergistically with each other to energize the mind while maintaining a state of calm and serenity, avoiding the side effects of caffeine such as restlessness.
• tea polyphenols: Tea polyphenols are substances with antioxidant properties that can scavenge free radicals from the body and reduce fatigue, thus providing a refreshing effect.

The refreshing effect of tea and the factors affecting it

The refreshing effect of tea is related to the following factors in addition to the content of caffeine, theanine and tea polyphenols in tea:

• Types of Tea: The content of caffeine, theanine and tea polyphenols varies among different types of tea, so there are differences in the refreshing effect. Generally speaking, black tea has the strongest refreshing effect, followed by green tea, oolong tea and white tea.
• Brewing method: The brewing method of tea also affects its refreshing effect. The higher the water temperature, the faster the caffeine and other substances are leached out, so tea brewed with boiling water has a stronger refreshing effect. In addition, the steeping time of the tea will also affect the refreshing effect, the longer the steeping time, the more caffeine and other substances are leached out, the stronger the refreshing effect.
• personal constitution: Each person has a different constitution and is sensitive to substances such as caffeine, so there are differences in the refreshing effect of tea. Generally speaking, people with a cold constitution are not suitable for drinking too much strong tea, so as not to cause palpitations and other uncomfortable symptoms.

Drinking tea to refresh the attention of the precautions

• Avoid drinking tea on an empty stomach: Drinking tea on an empty stomach tends to irritate the stomach and intestines, causing stomach upset.
• Avoid drinking tea before bedtime: The caffeine in tea has an excitatory effect, and drinking tea before bedtime can easily lead to insomnia.
• Avoid excessive tea consumption: Excessive consumption of tea can cause side effects such as dizziness, palpitations and insomnia.
• Drinking tea with caution for special groups: Pregnant women, lactating women, children, neurasthenics, insomniacs and other special groups should drink tea with caution.

Tea, as a healthy drink, not only has the effect of refreshing the mind, but also has the effect of health care. In our daily life, we can choose the right way to drink tea according to our physique and needs, and enjoy the benefits of tea.