Figure 2.
Effects of dietary betaine on hepatic antioxidant-related genes in mandarin fish fed the HC diet. Data are expressed as mean ± SEM (n = 6). * indicates significant difference between groups (p < 0.05). nrf2: nuclear factor erythroid 2-related factor; keap1: kelch-like ECH-associated protein 1; gr: glutathione reductase; sod: superoxide dismutase; cat: catalase; gpx: glutathione peroxidase.