Figure 6From: Protective Effects of Epigallocatechin Gallate on Colon Preneoplastic Lesions Induced by 2-Amino-3-Methylimidazo(4,5-f)Quinoline in MiceImmunohistochemical staining for Nrf2 in colon tissues. (A) Representative observations of Nrf2 staining in six groups (original magnification 400×). (B) The mean optical density values of Nrf2 in colon tissues. Data presented as mean ± SD.Back to article page