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. 2017 Feb 28;22(3):375. doi: 10.3390/molecules22030375

Figure 3.

Figure 3

(A) Dependence of the 30-min endpoint for the DPPH˙ scavenging activity (IDPPH) on rate of DPPH˙ radical scavenging (RS) at 6.67 × 10−5 mol/L of each tested compound; (B) dependence of the superoxide radical scavenging activity coefficient (CSASA) on rate of formazan formation (RFF) at 5 × 10−3 mol/L of each tested compound. (■), sinapic acid—SA; (○), syringic acid—SY; (▲), syringaldehyde—SYA; (●), ethyl sinapate—SE; (∗), propyl sinapate—SP; (◊), butyl sinapate—SB; (◁), 4-vinylsyringol—VS; (▼), and sinapine—SI.