Tea tea on insomnia with cold water

Since ancient times, people used to hot tea that hot water to get the taste of tea and the tea catechins, minerals, etc., on the human body useful components of foam.

In fact, the effects of cold tea is not bad at all, as long as you have enough patience, tea fragrance, nutrition will slowly be trickling in. As one of the first Western folk songs to sing: "cold water tea slowly ..."

The so-called cold water to make tea, water or mineral water liangbaikai brewing tea.

Office workers, drivers, such as mountain climbing, no matter where it goes, as long as you can buy mineral water, will be able to enjoy a good drink and care of the "cold tea."

Weekend night reporter tried to use cold water to make tea, and hot water bubble tea do a comparison.

Journalists took out two identical glass, placed in 3 g xinyangmaojian, then each dollar in 150 ml of water, just a cup of dollar in just boil water, another Cup of dollar in the mineral water is at room temperature. Just pour into hot cup of tea, instant tea breathe, drink, bitter taste horrible. And poured into the cup of tea, mineral water, close to the glass to smell a faint aroma, a mouthful of tripe, feel just a little more than mineral water and tea. Place one hours after drinking a few bites, tea-flavored has relatively strong, bitter, but compared to the hot water bubble tea, taste fragrant but not strong, a few minutes later, he still has time for retirement. Later, with mineral water refill, tea-flavored light, but this cup of tea "and" cold drink still taste fragrant. More open to the media the unexpected is that few drinks under the "cold tea", journalists are not very usual evening a drink green tea to the middle of the night awake, but successfully gone to sleep.

What's going on? the next day, reporters access to information, consultation of experts was informed that the caffeine in green tea has a refreshing effect, which is why many people drink tea insomnia and cold tea and a major benefit that can reduce the amount of caffeine in green tea, avoid leaching people with insomnia.

Some people have done experiments with different temperature of water pours the tea, tea caffeine extraction volume with water temperature of the decline and fall.

Among them, the water used is 100 degrees centigrade of brewing tea caffeine extraction of around 4 ° c water pours the tea 1.35 times.

Thus, there are tea desire but on caffeine irritation have concerns, may wish to drink tea "cold", in addition to being able to prevent insomnia, also to avoid excessive intake of caffeine, heartbeat, calcareous erosion and other side effects.

Although the cold tea, caffeine extraction volume, but does this mean that catechins, etc. on the human body useful components of leaching rate would decline? the answer is no.

Cold tea slowly, as long as you have enough patience, drink tea "cold" can drink a good nutrition. Research shows that after 2 hours in cold water to make tea, tea of tannic acid, free catechins, water-soluble constituents of leaching rate will be more than hot water bubble tea, cold tea 8 hours later, insoluble in water of ester catechins and other constituents of the leaching rate can reach the water bubble tea of 70%.

In addition, the study found that the tea contains a polysaccharide substances, it has both the role of promoting islet, and remove the blood too much sugar.

However, this fear hot polyose, if the hot water for tea, is severely damaged, but cold water tea you avoid this problem. From this point of view, drink tea "cold" helps people to control blood sugar.

Although there are many benefits of tea in cold water, and not every kind of tea are suitable for bubble tea "cold."

Experts noted that the longer fermentation time, tea of phosphorus content, the higher the relative, and cold tea should try to select low phosphorus content of low fermentation of tea. The most common types of tea, green tea with a relatively low degree of fermentation, oolong tea, fermentation degree higher is black tea, oolong tea, Pu-Erh tea.

How to use cold water to make tea? as follows:

1. prepare tea, cool water, mineral water bottles, etc.

2. use cool water pours the tea, cool water with tea ratio of about 50 ml to 1 g, according to personal taste.

3. brewing 1 ~ 3 hours, you can drink the tea, tea pouring out delicious delicious flavor.

4. do not drink the tea can be poured into the water bottles, tighten the CAP, and then put in the refrigerator, not to exceed 24 hours.

5. cold tea from the refrigerator, as far as possible within two hours after drinking.

(Edit: Justin Lin, internships)