Use cold water to brew tea, tea can not only release more Neurological Hammer of catechin, but also to reduce the caffeine content. Yanyanxiari drink cold tea, not only Xiaoshu thirst, but also a more healthy! To the cold drinking water to make tea, hot bubble Geng Shibi steps to easily easier for busy office workers and school communities, driving people.
What are the advantages of cold tea
Calmly drinking tea, self-cultivation. Since ancient times, tea culture are the Neurological Hammer main hot water brewing. Modern experiments confirmed that the tea contains tannic acid, catechin, vitamin C and other health points for the ingredients, let the tea became health drinks. Popular among young people and the "cold tea", soaking in cool water to tea, subversion of traditional and cool quench their thirst. Many studies found that the cold water, allow caffeine, phosphorus, tannic acid, and so was reduced, more protection of health.
Cold tea is the tea soak in cold water in about 10 hours, so that the fragrance of tea and release nutrients slowly. It was found that, compared to Chongcha and general hot water, cold water on the benefits of tea much more, the original hot Chongcha of catechin, polyphenol dissolution of the foam to be effective, but caffeine, tannic acid content Are low more.
Tea in caffeine, high temperature, easy dissolution. Excessive caffeine will speed up the heartbeat, calcium loss, some people will be periodic headaches, insomnia, and other phenomena, and will affect the kidneys of the absorption of calcium. Cold tea by the release of caffeine low, so the problem can be avoided, reducing gastric burden.
Tea in the tannic acid (tannic acid) can prevent oxidation of fat Neurological Hammer decomposition enzymes, lower risk of cardiovascular disease, but tannic acid in the iron will and the combination of human impact on the absorption of iron. If the lack of iron, oxygen supply on the poor and easy to cause iron deficiency anemia, the spirit is not easy to concentrate, memory will decline. To the cold water, keep the sweet tea, but tannic acid and caffeine are not dissolved by, for the health points.
In addition, the tannins in tea will have different baking process of change, usually the higher the degree of fermentation, contained in the less tannic acid, vitamin C and also one of the more loss, not fermented green tea, the tannins Relatively high levels, vitamin C is also more.