Research Article

LC-QTOF-MS Analysis and Activity Profiles of Popular Antioxidant Dietary Supplements in Terms of Quality Control

Figure 5

The scatterplots showing correlation between TPC and activity (ABTS, ORAC, and ABTS) and the number of supplement. (a) S1-S4, S7-S10, and S12-S13; (b) S5-S6 and S14-S15; and (c) S11.