Usually spring comes with outbreak
of flu. It is reported by People's Daily that according to Japanese
investigation, catechins of tea is able to restrain the activity
of flu virus. So that keeping on gargling with tea can effectively
help people avoid infection of it.
Flu stems from virus proliferation in nose and throat, on protuberant
cells of mucous membranes that may be covered by catechins consisting
in tea. Therefore tea acts as a vaccination against flu when used
as a mouthwash. In this aspect, green tea has the best effect, said
by researchers. We can see clearly in experiment that virus of flu
becomes not infectious in 5 seconds when mixed with 4 times diluted
solution of ordinary green tea.