According to the research results of Nakamura, a professor at Zhaohe University in Japan, the tea.
Flu is mainly caused by the proliferation of viruses attached to the mucosal cells protruding from the nose and throat. Tea gargle is often used to cover the protruding mucosal cells and prevent the combination of the flu virus and the mucous membrane from killing the virus. The role of caratin is like vaccination against influenza viruses. They said that Oolong tea, black tea, and Japanese tea all contain tea, but green tea is the best way to prevent flu.
After the concentration of daily green tea is diluted to 1/4, the flu virus is mixed into the tea for 5 seconds, and the virus is not infected. As early as 1988, Professor rice village, an expert of the cholera bacteria, discovered that caratin had a strong bactericidal effect. The professor believes that as long as a certain amount of tea is added to the bacteria, the activity of the bacteria stops in a few seconds.