Table 5: Inhibitory effects of the compounds isolated from the P. vulgaris L. on advanced glycation end products (AGEs).

CompoundsConcentration ( 𝜇 g/mL)Inhibition (%) I C 5 0 ( 𝜇 M)

196.0866.85 ± 0.13
Aminoguanidinea98.0437.39 ± 0.521944.86 ± 8.39
19.61 3.96 ± 0.06

119.619.33 ± 0.27
219.61
319.61
419.6120.67 ± 0.37

9.874.81 ± 1.41
54.933.94 ± 0.9433.16 ± 0.54
1.96 9.00 ± 0.43

98.0488.69 ± 0.56
649.0263.45 ± 1.16304.36 ± 3.41
19.61 9.85 ± 0.16

Inhibition rates were calculated as percentages with respect to the control value. The I C 5 0 values of each sample were estimated from the least-squares regression line of the logarithmic concentration plotted against inhibitory activity. aAminoguanidine was used as positive control. Inhibitory effect was expressed as mean ± SD of triplicate experiments.