Advantages and disadvantages of making tea in cold water (1)
1. What is herbal tea?
Traditional tea ceremony culture is brewed with boiling water, which can not only enjoy the elegant aroma released by tea, but also taste the sweetness and mellow soup, which is also a leisure hobby. To put it bluntly, cold tea making can be described as a traditional way of making tea by mixing tea leaves with cold water. Making herbal tea in Japan is called "cloud water tea". Green tea, oolong tea, green tea and so on. It can be brewed with cold water, eaten cold in the refrigerator or drunk at room temperature.
Second, the benefits of making tea with cold water.
1, convenient and quick.
If you have mineral water or pure water, you can make milk tea in places where you go on vacation, climb mountains, take trains or can't boil water. Cool herbal tea can not only quench thirst and relieve summer heat, but also be brewed with pure water, or boiled water and frozen water without heating, which can save a lot of electromagnetic energy or liquefied gas and other electric energy. And the taste is more authentic and fresher than ordinary drinks. In addition, in large, medium and small business negotiations, adding a bag of instant tea next to pure water can not only refresh people, but also clear away heat.
Advantages and disadvantages of making tea in cold water (1)
2. Reduce blood lipids
Theanine is the general name of polyphenols contained in tea, which has been proved to have the functions of lowering blood sugar and blood fat, preventing hypertension, cerebral thrombosis, arteriosclerosis and cancer. Tea pigment is an air oxidation polymer of theanine, which can also prevent diabetes to some extent like theanine. In addition, tea pigment also has the function of lowering cholesterol, and has certain preventive and therapeutic effects on diabetic symptoms, such as cardiovascular and cerebrovascular diseases and arteriosclerosis.
However, when boiling water is brewed, the nucleoside substances with hypoglycemic effect in tea will be destroyed, and boiling water can easily soak aminophylline and caffeine in tea, which is not conducive to lowering blood sugar. However, it takes a long time to make tea in cold water, so that the sugar in tea can be fully soaked, which has a good auxiliary treatment effect on patients with type 2 diabetes.
Advantages and disadvantages of making tea in cold water (1)
Third, the disadvantages of making tea in cold water
Making tea in cold water has no effect on human body, but the color, fragrance, taste and shape of tea are a little worse than boiling water. It takes longer to make tea with cold water at constant pressure than with hot bubble tea. It is best to pour out the first cup of tea to prevent the fertilizer, dust or harmful substances on the tea from affecting the body.