Kada T, Kaneko K, Matsuzaki S, Matsuzaki T, Hara Y
Mutat Res. 1985 Jun-Jul;150(1-2):127-32. doi: 10.1016/0027-5107(85)90109-5.
A bio-antimutagen, isolated from Japanese green tea (leaves of Camellia sinensis), reduced high spontaneous mutations due to altered DNA-polymerase III in a mutator strain of Bacillus subtilis. Chemical studies showed that the factor was epigallo-catechin-gallate (EGCg).