Optimization of Synthesis of Seleno-Sargassum fusiforme (Harv.) Setch. Polysaccharide by Response Surface Methodology, Its Characterization, and Antioxidant Activity

Figure 4

Zeta potential distribution curves recorded for Se-SFPSIB and SFPSIB.

(a) 0.2 mg/mL Se-SFPSIB (−0.194 mV)

(b) 0.2 mg/mL SFPSIB (0.489 mV)