Effects of dietary treatments on liver pathology in C57BL/6J mice. Histological examination of liver samples from LF (A), HF (B), HFW (C), and HFWE (D) mice, shown at 20X (A, B) and 10X (C, D) magnification. (E) Serum alanine aminotransferase (ALT) levels in C57BL/6J mice during the experimental period. Values are expressed as mean ± SEM. Different letters indicate statistical difference, P < 0.05.