Generally, everyone drinks tea with boiled water, or some teas use 90-degree boiled water, but there are still a few teas that can be brewed with cold water.
Compared with the benefits of hot water brewing, there are many benefits of cold water brewing.
Leng Cha can effectively separate out catechins, polyphenols and other substances. The contents of caffeine and tannic acid in Leng Cha are much lower than those in Bite tea.
When making tea with hot water, caffeine is easily separated from tea at high temperature. Caffeine can lead to a rapid heartbeat, affect the absorption of calcium by the kidneys, and may even lead to insomnia and headache.
The caffeine released by Leng Cha is much lower than that released by hot tea, which avoids the harm of caffeine to the body.
Tannic acid separated from tea can prevent oxidation, promote lipase decomposition and reduce the chance of cardiovascular disease.
Hot tea will precipitate a lot of tannic acid, but too much tannic acid will also have the opposite effect on the body. Tannic acid will combine with iron, thus affecting the body's absorption of iron.
The lack of iron in human body will lead to the decline of oxygen supply capacity, iron deficiency anemia, inattention and even memory loss.
Cold tea soup will not affect the taste of tea, and the dissolution of tannic acid is much lower than that of hot tea.
The content of free catechins in Leng Cha is higher than that in hot tea.
At first, the content of beneficial components in cold tea soup will increase with the increase of soaking time, and the tea leaves will change the most after soaking for about two hours.
However, these contents have not changed much since then. Except caffeine is not good for the body, other beneficial ingredients will be higher than hot tea soup.
Compared with hot tea, Leng Cha is not limited by time and place, and can be brewed and drunk at any time.
For example, if you are too lazy to make hot tea when traveling, traveling or working, or the conditions do not allow, you can drink tea as long as you have tea, pure water and mineral water.
Although cold tea is convenient and healthy, not all teas are suitable for cold tea.
Herbal tea should choose low fermentation tea, such as green tea and oolong tea. It is not advisable to choose tea with high fermentation, such as black tea, Tieguanyin tea and Pu 'er tea.
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