Fig. 3.

Effects of demethylcurcumin or tetrahydroxycurcumin interventions (5 and 10 mg/kg) on a plasma MDA contents, and b plasma ORAC activities in d-galactose-induced mice. Values were presented as mean ± SD and were analyzed using one-way ANOVA, followed by a post hoc Tukey’s test for multiple comparisons. The P < 0.05 was considered statistically significant and marked on the column with different letters among treatments