... EC, EGCG, GCG and ECG, which have the pharmacology activities of anti-oxidation, antibiotic, anti-virus, anti-tumor, anti-mutation, ... by 1mg Catechin is equal to 9 μg SOD, and much stronger than other substances of the same category. Catechin also has ... (mainly Catechin-deriving chemicals) could prevent and assist in therapy of various cancers such as gastric carcinoma, intestinal cancer, etc. 4 ...