Figure 3. Changes in DPPH (A), hydroxyl (B), and (C) radical scavenging activity and reducing power (D) of Radix Isatidis protein hydrolysates (RIPH) during sequential in vitro digestion. The data with different lowercase letters in the same test are significantly (P < 0.05) different

From

Nutritional Evaluation, Characterization and Antioxidant Activity of Radix Isatidis Protein Hydrolysates under Simulated Gastrointestinal Digestion

Ping Xiao, Hongzhi Huang, Yayun Chen, Jianwei Chen, Xiang Li, Haitao Shi

Journal of Food and Nutrition Research. 2014, 2(11), 831-838 doi:10.12691/jfnr-2-11-12