Hydrolysis Process Optimization and Functional Characterization of Yak Skin Gelatin Hydrolysates

Figure 4

Scavenging effect of yak skin gelatin hydrolysates (YSGH) and reduced L-glutathione (GSH). (a) Effect on DPPH free radicals; (b) effect on superoxide anion radicals; (c) effect on hydroxyl free radicals. Data displayed as average ± standard deviations from three replications.

(a)

(b)

(c)