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. 2019 Jan 27;20(3):530. doi: 10.3390/ijms20030530

Figure 1.

Figure 1

In vitro enzymatic assay of docked natural compounds against DPP-4. Natural compounds were mixed with DPP-4 and enzyme substrate and then the measured absorbance change at 405 nm. Result of DPP-4/hemifumarate (Con) was set at 100%. All data were represented as mean ± SD in triplicates from three independent experiments. * p < 0.05 was marked in the column significantly different with Con and & p < 0.05 with DPP4i. rutin (Rut), quercetin (Que), berberine (Ber), 16-hydroxycleroda-3,13-dien-15,16-olide (HCD).