Chemical Composition and Antioxidant Activities of Polysaccharides from Yingshan Cloud Mist Tea

Figure 4

In vitro antioxidant activity of GTPS and vitamin C. (a) DPPH radical scavenging activity, (b) hydroxide radical scavenging activity, (c) superoxide anion radical scavenging activity, and (d) ferric-reducing power activity.

(a)

(b)

(c)

(d)