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

Figure 1

Effect of reaction time, temperature, ratio of Na₂SeO₃ to SFPSI, and water bath shaking rate on Se content. (a) Reaction temperature 70°C, ratio of Na₂SeO₃ to SFPSI 0.8 g/g, and water bath shaking rate 40 r/min; (b) reaction time 8 h, ratio of Na₂SeO₃ to SFPSI 0.8 g/g, and water bath shaking rate 40 r/min; (c) reaction time 8 h, reaction temperature 70°C, and water bath shaking rate 40 r/min; (d) reaction time 8 h, reaction temperature 70°C, and ratio of Na₂SeO₃ to SFPSI 0.8 g/g.

(a)

(b)

(c)

(d)