Fabrication of PLA-PEG Nanoparticles as Delivery Systems for Improved Stability and Controlled Release of Catechin

Figure 5

Antioxidant and metal chelation assays of free catechin (10 mg/ml) and CATNP (10 mg/ml). (a) Superoxide scavenging activity, (b) lipid peroxidation, (c) DPPH activity, and (d) metal chelation potential.

(a)

(b)

(c)

(d)