CAT and hydrops fetalis: Betanin supplementation in the HF 80+BET group also increased CAT and SOD activities when compared to the HF 80 group (156.3 ± 29.6 vs. 92.7 ± 27.6 and 4.52 ± 0.2 vs. 2.86 ± 0.7 U·mL−1, respectively) (Figure 2F,G).