Results of experiment have shown that at 59 those % who drank an extract of green tea in the maximum dosage, positive clinical reaction in comparison with 18 % receiving плацебо has been revealed. It was found out also that the extract use reduces the maintenance in an organism of certain biomarkers of development of a cancer.

During research which 28 months lasted, the mouth cancer has developed at 15 persons. The quantity of those who drank an extract of green tea, and those who did not accept it, among the diseased was almost identical. However at whom at the moment of the experiment beginning weak either average degree дисплазии has been registered or abnormal growth of cages, fell ill with a cancer after other if accepted an extract.

Let's remind that green tea also can lower risk of development of some kinds of a cancer of blood. So, at drinking on five cups of a drink risk of occurrence of an illness on 42 % more low, than at drinking tea not so assiduously (the cup in day or is less). The risk to be ill with a cancer of lymphatic system at fans of this drink is lowered on 48 % in comparison with the others.

Green tea is rich with polyphenols, in which number — powerful antioxidants катехины. And though the same polyphenols are in black and red (улунг) tea, it is considered that only катехины green tea possess the unique properties preventing growth of cancer cages.