PON1 and chronic myelogenous leukemia, BCR-ABL1 positive: Likewise, reduced plasma ferric ion reduction ability (FRA) (Figure 3C) and paraoxonase (PON) activity (Figure 3D) were noticed in the CML-injected group, such a decrease turning into a significant increase of 12.4% (p < 0.05) and 78.1% (p < 0.01), respectively, in the banaba-injected group.