Short-Term Bixin Supplementation of Healthy Subjects Decreases the Susceptibility of LDL to Cu²⁺-Induced Oxidation Ex Vivo

Figure 5

Effect of carotenoid supplementation on superoxide dismutase (a), catalase (b), glutathione peroxidase (c), and glutathione reductase (d) activities in red blood cells. Results (mean ± SEM) are presented as the delta values between final and baseline values. Different letters indicate a significant difference among treatments (). SOD: superoxide dismutase; CAT: catalase; GPx: glutathione peroxidase; GR: glutathione reductase.

(a)

(b)

(c)

(d)