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. 2016 Oct 1;11:45. doi: 10.1186/s13020-016-0116-7

Fig. 1.

Fig. 1

DPPH radical-scavenging capacity of trans-FA. a Trans-FA was tested in an antioxidant assay by measuring the DPPH radical-scavenging activity. The indicated concentrations of trans-FA were incubated with DPPH respectively as described in the “Methods” section. b Quantificative analysis. The radical-scavenging capacity of trans-FA at indicated concentrations was quantified as the percentage decrease in absorbance at 492 nm against the DMSO control. *P < 0.05 and **P < 0.001, respectively