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In China, because of the obvious temperature changing. The summer and the winter were been divided by three level. When the highest level arrived, temperature continues to stay high, drinking tea to quench thirst is a useful way to cool off the heat, and it is healthier and more effective than cold soft drinks.

However, the traditional method of making tea requires preparation of hot water, tea sets, and various standard. After brewing the tea, the tea must be cooled slightly before drinking. This is not friendly for we business staff while working or going out.

But "Cold brewing tea" is a popular way of brewing without hot water in recent years. You only need to put the tea into cold boiled water or mineral water, and after a certain period of waiting, you can get the color, fragrance and taste. Tea soup.

Cold brewing tea does not require boiling water. Instead, the tea leaves are soaked in plain water or mineral water at room temperature for 2-12 hours. It has the advantages of traditional tea drinking and the convenience of modern beverages. It is popular among office workers, students, drivers and mountaineers.

Compared with hot brewing, cold brewing tea has a lighter tea fragrance but a sweeter taste. When hot brewing, the aroma substances (aldehydes, phenols, etc.) in the tea will quickly decompose when exposed to high temperatures. When brewing with cold water, the fragrance and nutrients in the tea are slowly released.

The contents of tea polyphenols, catechins, caffeine, water extracts and total sugars under high temperature brewing conditions are significantly higher than cold brewing tea, but it does not mean that the number of beneficial components extracted to the human body has decreased.

The theanine and arginine content is the highest when brewed at room temperature, which preserves the original taste and freshness of the tea to the utmost extent, and also reduces the bitterness of the tea when brewed in hot water.

Studies have shown that tea brewed in cold water has higher antioxidant activity than hot tea. Cold brewing tea takes a long time to brew tea, which is conducive to the complete expansion and expansion of the tea, and the beneficial substances in the tea are fully migrated into the tea soup without damaging the cell structure of the tea, so that a tea with more polyphenols can be obtained drink

From the perspective of drinking tea, hot brewing and cold brewing have their own advantages and disadvantages. In the former, the taste of tea is easy to release, especially for some good-quality teas. To feel the difference in the taste, you have to use hot water; to appreciate the color and shape of new tea, of course, you need hot water too.

The superiority of cold brewing tea, of course. First reason is to cool down and relieving heat.

Almost all tea can be used to make cold brew tea. Generally, recommend green teas, oolong teas, some black teas, some white teas and herbal teas.

The biggest feature of black tea is that it is sweet, which is most suitable for cold brewing, but not all black teas are suitable for cold brewing. For example, Lapsang Souchong black tea has too much pine smoke fragrance, it is suitable for hot brewing, Jin Junmei, Fei zi xiao and other Junmei black teas are mainly sweet. Suitable for cold brewing.

To drink cold brewed tea at home, you can steep it with tea leaves and cold water at a ratio of 1:50 and put it in the refrigerator for 4 to 8 hours before drinking. If you want to drink cold brewed tea when you are away, you can buy a bottle of ice mineral water, put in an appropriate amount of tea or tea bags, and the water ratio and steeping time are the same as when drinking at home.

The taste and type of tea depend on personal preference. Cold brewing can reduce the caffeine content of the tea soup and slow down the stimulation of the stomach. Therefore, it is also suitable for people with sensitive physique or weak spleen and stomach.

Although a cold diet is not good for the stomach, there is basically no problem as long as you do not booze before meals or after a lot of exercise. It is better to drink several times in small sips for the usual way of drinking. When conditions permit, it is good to drink cold tea after warming it.

Quench your thirst and cool off the heat, 0 sugar and 0 calories, do it yourself and make it easy to make cold. This summer, cold tea to save!

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