3.2. Antioxidative activity
Compared to US cells in basal condition, the exposure toH2O2 caused
a reduction in cell viability in all cells except those supplemented with
KAMUT® digested cookies (Fig. 1). In stressed condition, cell viability
was anyway higher in supplemented cells than in US ones.
In all cells the exposure to H2O2 greatly increased TBARS concentration
in the medium. Among stressed cells this increase was higher in
unsupplemented than in supplemented ones, KAMS and KAML showed
the lowest increase (Fig. 2A).
Upon H2O2 treatment, ROS concentration significantly increased in
US cells, while it did not change or even decreased in supplemented
ones (Fig. 2B).
H2O2 exposure caused a significant decrease in TAC in only US cells
as well. In stressed cells, a higher TAC was evidenced in KAMS and
KAML supplemented cells than in unsupplemented ones (Fig. 3A).
In US cells, the total thiolic intracellular contentwas not modified by
the oxidative stimulus; however, upon H2O2 exposure it increased in all
supplemented cells, regardless the type of supplementation (Fig. 3B