Drinking tea immediately after a meal will not eliminate it, but will affect digestion. Chinese green tea tea contains a large amount of tannic acid. Drinking tea immediately after a meal will combine the digestible protein in the stomach with tannic acid to form a non-digestible solidified substance, which affects the digestion and absorption of protein. More importantly, tea hinders the body's absorption of iron, reducing the absorption of iron in food by 50%. In the long run, it affects people's digestive function and even causes iron-deficiency anemia. In addition, a large amount of tannic acid in tea will combine with protein to form tannic acid protein. This substance has astringent effect, weakens intestinal peristalsis, thereby prolonging the residence time of food residues in the intestine, leading to constipation. Therefore, it is recommended to drink tea one hour after a meal, it will be better for health.
Not all teas are as new as possible. Even if it is Chinese green tea, it is best not to drink it as soon as it is made. The new tea will cause greater irritation to the gastric mucosa. In addition, Chinese green tea has a certain degree of coldness, it is best to wait for it to subside before drinking. If you want to drink fresh green tea, it is best to drink it about half a month after it is made. Except for Chinese green tea, the best drinking period for other teas is almost the second year. Because these teas will be fried or roasted during the production process, the taste will not be better until the fire has disappeared.